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Your search returned 319 essays for "projectile":
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Projectile Motion in Archery - Archery, a sport that dates back to centuries before today, has been modernized to become more efficient and high tech. The Egyptian made the first complex bow in 2800 BC. The bow was made from sheep intestines and the arrow was light and efficient enough to be shot from 400 yards away and still penetrate the armor used at that time. Archery was a skill set that was prized in the military, especially in Rome. However, in 16th century a new tide was turning in Europe, firearms were slowly replacing the bow and arrow as military weapons....   [tags: trajectory, weapon, target] 927 words
(2.6 pages)
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Projectile Motion Laboratory - Projectile Motion Lab Introduction: The purpose of this experiment was to find how changing the angle and velocity would affect the distance the object went, height the object went, and time the object was in the air. Before this lab I could not tell how the angle and velocity would change the results. I needed to figure out what angle and what velocity made the object go farther or make it stay in the air longer. I also found mass will affect the height and distance. I used the site Galileo and Einstein to figure out these factors....   [tags: angle, velocity, distance relationship]
:: 1 Works Cited
696 words
(2 pages)
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How It Works: Projectile Motion in Basketball - Physics is a part of everyday life. It is evident in the modern technological devices we use in every day experiences and objects around us. Although physics is understood to be only useful in the classroom, physics can also be applied to one the most popular activities on the planet, basketball. Whether jumping for the ball, or leaping for a slam dunk, the human body follows the same laws of projectile motion as do other objects. The sport that includes shooting, passing, running, and dribbling involves topics covered in physics such as force, friction, effects of air resistance, velocity, air pressure and energy....   [tags: physics in indoor sports] 1206 words
(3.4 pages)
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Science Research: Projectile Motion and Arcs - There are many concepts in shooting including arc, backspin, projectile motion and trajectory. For my science project I was interested in learning if shooting from different starting places made a person more likely to make a shot. I think the most crucial element of a shot is arc. It is important for a person to have a medium arc. If their arc is to flat or to high it will be very challenging for them to score. Without a good arc players would not nearly score as much. One of the most important, and sometimes most overlooked techniques of shooting is backspin....   [tags: Science Research, Science, Research, ] 569 words
(1.6 pages)
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Angular Projectile Motion - ... To begin with we will show the calculations done to obtain these values (Shown on paper). Then we will calculate the horizontal displacement. In order to find the horizontal displacement of the car, one must calculate time to avoid having two unknowns in the displacement equation. To calculate time one must use the calculated vertical velocity. Since we cannot have two unknowns in the time equation one must find a time where velocity is known which is half way; V = 0m/s. Since this way one will only calculate the time for half the journey, one must multiply the answer by 2 giving one the full duration (refer to paper for calculations)....   [tags: 2 fast 2 furious movie] 782 words
(2.2 pages)
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Physics of Projectile Motion in Computer Games - Introduction Physics define the rules by which we live our physical existence. Many of us go about our day to day lives without any true understanding of the Laws which govern how we interact with our surroundings. Physics is our way of making sense of the forces which act upon us and shape the way we accomplish even the most menial of tasks. From walking to driving to playing a game of catch, anyone can see physics in action. A computer game programmer must take a special look at the forces at work around us....   [tags: physics video game computer]
:: 3 Works Cited
1112 words
(3.2 pages)
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Future Wars: The Electromagnetic(EM) Railgun - What was once thought to be just science fiction is now, very close, a reality. The Electromagnetic(EM) Railgun being developed by BAE Systems for the Office of Naval Research is sure to change the landscape of future wars. From its cost effectiveness, devastating power, and a myriad of other benefits the EM Railgun is something special. The best way to wrap your head around what an Electromagnetic Railgun is would be to understand the basic idea of how it works. Two rails are electrically charged while sitting parallel to each other....   [tags: Lorentz force., projectile] 612 words
(1.7 pages)
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Investigating Free-falling Objects and Projectile Motions - Investigating Free-falling Objects and Projectile Motions Aim: The aim of my experiment is to obtain results/ data and see whether a pattern can be distinguished or whether my data agrees with a theory or law. I'm going to try to undergo two investigations using the same apparatus, and look at the outcome of my results and see whether a firm conclusion can be made. For the two investigations, I'm going to look at free-falling objects and projectile motions: Investigation 1: Isaac Newton firstly discovered gravity when an apple fell on his head....   [tags: Papers] 618 words
(1.8 pages)
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Building and Testing a a Rube Goldberg Machine - As we worked on our Rube Goldberg Machine, we uncovered the physics that was taking place. Many aspects of physics come into play when building and testing a Rube Goldberg Machine. Some examples are Newton’s three laws, collisions, conservation of momentum, efficiencies, forces, energy, work, simple machines, and projectiles. We ran into Newtons First Law, which claims that an object resists change in motion, as the marble rolled down the floor it didn’t stop until it was acted against by friction....   [tags: Newton, Collisions, Projectile] 1248 words
(3.6 pages)
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Distance and Height of Cannon Projectiles - ... Figure 2: right-angle triangle In figure 2, a right angle triangle is drawn, with the following notations: The AB line is called the Hypothesis (Hyp, representing the initial speed) The AC line is called the Adjacent (Adj, representing the horizontal speed) The BC is called the Opposite (Opp, representing the vertical speed) The next step is split up into two parts to find the vertical speed per second, and the horizontal speed per second. From trigonometry we know: Sinθ= Opp/Hyp Cosθ= Adj/Hyp Tanθ= Opp/Adj First we want to find the vertical distance the projectile moves....   [tags: mathematical investigation]
:: 4 Works Cited
2221 words
(6.3 pages)
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Projective Testing for Analyzing Personality - Projective tests are a measure for analyzing personality. They are established in the idea of Sigmund Freud’s theory of unconscious processes. Projective techniques were first sought out as a means for people to unconsciously project their personality on to obscure or vague stimuli, possibly revealing the patient’s internal conflicts and hidden emotions. Projective testing has been found to significantly differ from other objective psychological tests through the range of possible responses making them difficult to standardize and evaluate (Trull, 2005)....   [tags: Psychology]
:: 19 Works Cited
2530 words
(7.2 pages)
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Analysis of Projective Tests in Psychology - Introduction Projective tests have captivated the attention of people around the world as they are commonly depicted as fascinating methods of assessing the mystery behind an individual’s personality. Projective tests are based on the idea that “when presented with a vague, unstructured, or ambiguous stimulus or task” an individual “will reflect aspects of the personality [sic] that might be otherwise unavailable to consciousness or for assessment” (Halperin & McKay, 1998). These tests started garnering attention in the early 1900’s when there was an increased emphasis placed on the understanding of personality and how behavior occurs when the patient is unaware (Butcher, 2010)....   [tags: Individual Personality, Behavior]
:: 14 Works Cited
1978 words
(5.7 pages)
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DuBois' Projective Test Research - Abram Kardiner was a Neo-Freudian, who studied the possibility of external influences on personality. This led Kardiner to his works dealing with societal institutions and its interrelationship. Kardiner divided social institutions into two categorizes: Primary and Secondary Institutions (Lecture).   Primary Institutions are composed of household organizations, childhood disciplines and subsistence. Secondary Institutions consist of schools/educational systems, religion,government and political organizations....   [tags: Psychology] 1049 words
(3 pages)
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Vectors And Projectiles - Vectors And Projectiles After successfully completing the first two videos of the Paul Hewitt series, I have been drawn to this course. The third video of the series reviews the concepts of vectors and projectiles. In this video Paul goes over a lot of previously stated formulas. The ideas of how fast or hoe far an object travels are restated. The idea of how fast an object travels is known as its velocity. The velocity is found by finding how far an object travels over a period of time. It may be easier to multiply the pull of gravity, which in a free falling object is ten meters per second accelerating, by the seconds the object remains it the air....   [tags: Free Essays] 398 words
(1.1 pages)
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Landsat TM & SPOT 5 Foliage Projective Cover (FPC) Products - Foliage Projective Cover (FPC) is a measure of vegetation density represented by the percentage of ground covered by photosynthetic overstorey foliage (Scarth, Armston & Danaher 2008). As changes in FPC over time can indicate land clearing, the Statewide Landcover and Trees Study (SLATS) was initiated in Queensland to provide quantitative data to assess the related greenhouse gas emissions (Goulevitch, Danaher & Walls 1999). Originally SLATS used Landsat TM imagery to predict FPC across Queensland and New South Wales, but recently adopted SPOT 5 imagery (Flood et al....   [tags: environment, vegetation]
:: 20 Works Cited
973 words
(2.8 pages)
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Physics of Rail Guns - The concept of a rail gun is simple: two parallel bars connected to a power source produce an electric field. This electric field can be used to propel a projectile along the bars. If enough amperage is provided, the projectile can achieve velocities of up to 4 km/s. The U.S. Army has been interested in the potential of electromagnetic guns for quite some time. In 1988 the University of Texas Center for Electromagnetics began work on a 9 MJ range gun, which would be designed to launch 2-4 kg projectiles at velocities of up to 4 km/s....   [tags: physics weapon weapons rail gun] 1213 words
(3.5 pages)
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Catapulting though Time & Physics - Catapulting though Time & Physics Hurling an object towards one’s enemy may seem as old as time itself. People have hurled fists at each other, thrown spears, and launched giant rocks into enemy territory. The use of catapults, and other objects that hurl projectiles, also seem as old as human civilization itself. The effectiveness of the catapult in flinging objects over a great distance and causing destruction is due to a few basic physics principals that govern force, energy, motion, speed and mass to name a few....   [tags: Essays Papers]
:: 6 Works Cited
2317 words
(6.6 pages)
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The Science of Ballistics - The societal implication of the influence and prevalence of firearms in American society has affected the development of forensic sciences in the legal system. For over one hundred years, ballistics has played a prominent role in the courtroom. That is not to say that the topic of ballistics has gone unscathed or unchallenged in its history as a forensic technique. Although significant weight is put on the use of firearms, the topic of firearms as a whole has impacted the legal system just as much as any other technological advancement....   [tags: forensic ballistics]
:: 10 Works Cited
2826 words
(8.1 pages)
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The Influence of Physiscs on the Development of Cannons - The development of cannons was a significant part of history in wartime and surprisingly, physics. The very motion of a cannon ball is so similar to projectile motion that it isn’t too hard to figure out that there exists a connection between the two. Projectile Motion, which is a part of mechanics, is the motion of an object in a two-dimensional world. Since a cannon travels in these two dimensions, making a similar curve, they are a prime example used in applying concepts of projectile motion....   [tags: warfare and weaponry] 1042 words
(3 pages)
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Forensic Sciences: The Science of Fingerprint Identification - After giving much thought to the many areas covered by Forensics Sciences, the main criteria to which my choices were narrowed and ultimately the final decision of Ballistics and/or Fingerprint Analysis was based on by the complexity of the job, need for a keen eye, and my wanting to be challenged in a career. I have no doubt that there are other areas that would be just if not more challenging however interest is a another key element in the making such a life changing and difficult decision. The history of firearm and tool-mark identification has been a long one having evolved with great bounds over the last 165 years from the simple observation, physical matching, and caliber determinati...   [tags: Career Research ]
:: 8 Works Cited
1863 words
(5.3 pages)
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Physics of a Spudgun - Well it's quite simple actually. Spudguns use some of the same principles as internal combustion engines. Just as burning gas forces a piston out of a cylinder it can also force out a potato. A spudgun is a device that uses some form of propellant to project a potato across the sky. Usually these devices are made of ABS plastic sewer pipe. There are several major parts of the spud gun that these pages will refer to. These parts are the firing chamber, the igniter, and the barrel. The ignition device of a spud gun is simply put the spark generator that causes the combustion of the fuel in the firing chamber....   [tags: physics potato gun cannon] 1916 words
(5.5 pages)
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The History and Importance of the Trebuchet - "Any sufficiently advanced technology is indistinguishable from magic." A. C. Clarke (Clarke). Throughout history, people have relied on technology to aid them. Technology has played an important role throughout time as a tool that has allowed people to achieve accomplishments never before possible. Technology has been crucial to survival as it has been used in warfare. Technology was used for both offensive and defense systems during times of siege, and could determine the fate of entire empires....   [tags: War, Military, Army]
:: 10 Works Cited
1618 words
(4.6 pages)
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Physics of Catapults - The ballista, or "shield piercer," was first developed by the Greeks using the same principles as a bow and arrow. Its primary use was to, as the name suggests, pierce enemy shields, since normal bows lacked the power to do so. Early versions of the ballista include the gastrophetes, which is nothing more than an enlarged bow that can be braced against the users body. http://members.lycos.nl/onager/GastrophetesPic.jpg As time went on ballistas were improved to become larger and more powerful, eventually becoming mounted mechanisms that could be operated by two or more people....   [tags: physics catapult] 1136 words
(3.2 pages)
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From Aristotle to Newton: The Development of Modern Physics - In the fourth century, Aristotle developed the first systematic set of ideas to describe the natural world, often referred to as Aristotelian physics. In his research, Aristotle made many discoveries dealing with the dynamics of motion. He believed that the natural motion of an object was primarily determined by the nature of the substance that made up the object, in terms of the four basic elements: earth, air, fire and water. Therefore, a stone, when released from the hand, fell to the ground because it was made of similar substance as the Earth....   [tags: Galileo, Scientific Method, Scientific Discoveries] 1597 words
(4.6 pages)
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Gauss Guns - The theory behind gauss guns is that you can take electrical energy and convert it to kinetic energy by using an electromagnetic energy storage field. In essence, you take a ferrous object (the projectile) and place it at one end of a hollow solenoid. When electricity is applied to the coils inside the solenoid, a magnetic field is generated which pulls the projectile towards the center of the coils. As the projectile reaches the center and continues, the magnetic pull decreases and eventually reverses....   [tags: physics gauss gun] 619 words
(1.8 pages)
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The Trebuchet - The Trebuchet The roots of the machine go back to at least the fifth century B.C. in China. In its most primitive form, it consisted of a pivoted beam with a sling at one end and ropes at the other. A stone would be placed in the sling and a team of men would haul the ropes, swinging the beam up into the air”1. “The trebuchet reached the Mediterranean by the sixth century C.E. It displaced other forms of artillery and held its own until well after the coming of gunpowder. The trebuchet was instrumental in the rapid expansion of both the Islamic and the Mongol empires....   [tags: Physics Trebuchet History Papers]
:: 6 Works Cited
1890 words
(5.4 pages)
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A knight's Mission. - Once upon a time there lived an honest and a very brave man called Knight. He and his villagers were very happy all the time. There life went smoothly until that horrible day. One day knight went to another city to meet some of his friends. When he returned to his village, the land was turned into a graveyard. Most of his villagers were killed and half of them were kidnapped by an unknown man named Boss. He left some clues for the Knight to find him. The main intention of the Boss was to defeat Knight and capture all the land around them....   [tags: Village, Battle, Monster] 853 words
(2.4 pages)
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The Physic of Paintball - The Physic of Paintball I.The Fundamentals of the Game of Paintball. Paintball is a sport that is still fairly new in the world being not much more that a decade old. This game as with other sports would not be possible without physics. Physics is essential to the game of paintball. Some of physics that are involved in paintball are pressurized gas, projectile motion, and the impulse of being hit by a paintball. As with all sports there is necessary equipment needed to play. The most important piece of equipment would be the paintball gun often called a marker....   [tags: Game Paintballing Paintball Physics Essays]
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1578 words
(4.5 pages)
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Physics: The History of Backscatter Ratherfod - ... The amount of energy lost depends on the braking power of the material . A particle will also lose energy after the collision itself. The loss of collision depends on the mass of the projectile to the target atoms . The ratio of the energy of the projectile before and after collision is called kinematic factor . The number of backscattering events occurring from a given element in a sample depends on two factors : the concentration of the element and the effective size of its kernel . The likelihood that a material will cause a collision is called the scattering cross section ....   [tags: particles, energy, atoms] 646 words
(1.8 pages)
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The History of Explosives - As everyone knows, explosives explode; they require activation energy which sets off the explosion. However, many do not know that explosives are categorized into propellants and high explosives. Propellants burn in a rapid but constant fashion and the projectile is under a steady high pressure, while high explosives change in an irregular pattern and produces a shock that is violent and disruptive (Crystal 428). Ever since the first use of gunpowder, explosives have changed from being simple mixtures of elements that could be ignited into something that had become highly destructive, dangerous, and complex....   [tags: Explode, Activation Energy, Explosions]
:: 12 Works Cited
1131 words
(3.2 pages)
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How Can Robotics Help People? - Over the past several decades, society has become particularly interested in robotics. Shows such as The Jetsons have forecasted the future to be a world where robotics plays an everyday role in life. In addition, it has inspired many to work towards this future. Everyday, society is getting closer and closer to this futuristic world. Robotics is a rapidly changing field that has the potential to help society in a positive way. In 2005, military funded research was carried out by Boston Dynamics in order to develop a robot that could work side by side with soldiers in combat....   [tags: robots to the service of humans]
:: 12 Works Cited
1295 words
(3.7 pages)
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The Physics of Roller Coasters - The Physics of Roller Coasters The roller coaster has its beginnings in Russia where during the 1600's. People crafted sleds out of wood and built hills made of ice blocks. The hills had sand at the bottom to help slow down the sleds so they would not crash when they reached the bottom of the hill.1 Over time, the roller coaster has become more complex. They now are taller, faster and are designed out of different materials like wood and steel. Although roller coasters are fun and exciting, the questions, what allows them to twist and turn, go up and down hills at a fairly good speed....   [tags: Physics Science Research]
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1493 words
(4.3 pages)
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Types of Cool Weapons and Armor in the Medieval Ages - At the beginning of the Middle Ages, battle was still fought by men usually with swords, spears, and axes because they fought so close to each other. In medieval times, there were many different weapons, which were used for many different reasons. Some reasons would be for war, hunting, farming and building. The same types of materials were used, but they designed into different types of weapons and armor. As you read, you will learn how as time pasted that either the armor or the weapons changed to be more protective and or more powerful....   [tags: swords, catapults, crossbows, spears]
:: 4 Works Cited
1082 words
(3.1 pages)
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Gun Control and Banning in the US - ... A shotgun used multiple projectiles and is designed to shoot a spread of shot at a moving target for short range. A semi-automatic firearm fires one bullet each time the trigger is pulled. It ejects the shell of the fired bullet and automatically loads another bullet for the next pull of the trigger. A fully automatic firearm, sometimes called a machine gun, fires multiple bullets with the single pull of the trigger. Second Amendment A well-regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed is our second amendment of our Constitution....   [tags: Weapons, Controversy] 2161 words
(6.2 pages)
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Rockets and Space Travel - Flying into orbit, at times, seems just an ordinary event. We have been launching objects into orbit for several decades now. Over time, it seems that the knowledge of the first attempt to send an object into the atmosphere was lost. One lone American was very absorbed into the science of this very thing. He had an obsession about him. John Goddard spent endless hours trying to perfect a small rocket launch. Though it sounds simple, lighting a fire underneath a small projectile, and make go in a straight line toward the heavens, is very detailed orientated....   [tags: Space Exploration Essays]
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1741 words
(5 pages)
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The Physics of a 500 foot Mark McGwire Home Run are Unlikely - On September 8, 1998 Mark McGwire conquered the previous home run record set in a single season by Roger Maris in 1961. The event was memorable to most fans when he defeated Roger Maris, and finalized baseball's new season record of 70 home runs. Mark McGwire was a powerful man and he was known for his ability to smash baseballs great distances. However, many disagree that he was able to launch a baseball 500 feet and beyond. No doubt, this is a great distance to project a baseball. Many years ago during the era of Babe Ruth, another powerful hitting legend, there were articles written claiming that he blasted a hit that carried further than 600 feet, let alone 500 feet....   [tags: physics baseball home run]
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1642 words
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The Warren Commission - ... It was trusted at the time that they would uncover the edges at which the shots had entered Kennedy's body, surely indicating where the shooter or shooters were arranged. The dissections really made considerably more disarray, as they were totally conflicting. The principal examination was led in Parkland Hospital in Dallas, in spite of the fact that the authority one was led in Bethesda Naval Hospital, Washington DC. At the point when the two examinations were looked at, disturbing contrasts appeared....   [tags: hoover, fbi, shooter] 781 words
(2.2 pages)
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American Technological Advancements of the Civil War - American Technological Advancements of the Civil War The Civil War had many large technological advancements that would greatly evolve warfare. The war introduced the first ironclad ships, the first repeating rifles and carbines, and the first metallic rifle and pistol cartridges. The military didn't solely rely on this new technology, however. Older weapons and other tools were still trusted, such as paper cartridges and smoothbore muskets. Before 1860, the government of the United States provided little interest or encouragement in the inventions of various ordinance experts....   [tags: Military History ]
:: 2 Works Cited
707 words
(2 pages)
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Physics of Firearms - A firearm, in the most basic form, consists of a barrel, an action, a firing mechanism, a stock and a sighting device. No matter the form of the firearm, the same basic principles of physics and chemistry apply. The study of these principles is called ballistics. There are three types of ballistics, internal, external, and terminal. Internal ballistics is the study of the flight of a projectile inside a firearm. External ballistics is the study of the flight of a bullet after leaving the muzzle and until it hits the target....   [tags: physics firearm gun guns rifle pistol] 1362 words
(3.9 pages)
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Ballistics: Firearms Identification - ... When there are too few good matching characteristics joining the evidence to the firearm, then there is no need to continue looking. However, if enough characteristics are found then the examiners will proceed to the next step of finding proof of a conformation that relates the evidence to the firearm by a process called individual characteristics. This process finds the marks produced by the random imperfections or irregularities of tool surfaces and from those random markings are produced incidental to manufacture and/or caused by use, corrosion, or damage....   [tags: ammunition, recovering evidence, gun powder]
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1405 words
(4 pages)
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The Effects of Gunpowder on Warfare - The discovery of gunpowder changed war from being fought with medieval weaponry and battle tactics to more modern day weapons and tactics because the gunpowder powered weapons are more deadly. Weapons that use gunpowder to launch projectiles have a greater range than melee weapons and are more powerful than bow and arrows. Also, cannons are more powerful and have a greater range and accuracy than catapults and they also can be reloaded faster than catapults. Gunpowder weapons changed war because they are stronger, more accurate, have a greater range and are able to be reloaded faster than medieval weaponry....   [tags: Military Technology ]
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1530 words
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The Patriot, directed by Roland Emmerich - The Patriot is a movie based on the American Revolutionary War (1775-1783), the war fought between Great Britain and the thirteen colonies of the North American continent. In this war on American soil the colonists fought for independence from Europe and King George III’s criticized rule. The Patriot takes on this topic through the character Benjamin Martin, played by actor Mel Gibson, who is based on the Revolutionary War militia leader Francis “The Swamp Fox” Marion. The movie also features a few battles actually fought in the war and weapons used in the war....   [tags: Innacuracies, Revolutionary War]
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844 words
(2.4 pages)
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My Life Lesson Learned The Hard Way - An event in my life that taught me an important lesson was to not draw inappropriate things accordingly to the school policy. It was back in the third grade. The sun was so bright. The chirping birds in the tree. I figured it was time to wake up for school. Elementary it was. I do my usual thing, take a shower, brush my teeth, and dress up. While I was taking a shower, I reminisced the time my third grade teacher talked about the school policy. I ignored my cognizance and continued scrubbing my body....   [tags: inappropriate, gun, policy] 705 words
(2 pages)
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The Second Amendment and Gun Control - Gun Control According to the Second Amendment of the United States Constitution, "A well-regulated Militia, being necessary to the security of a Free State, the right of the people to keep and bear Arms, shall not be infringed." Gun control is unfair to the ordinary citizen since it limits their ability to protect themselves. According to the Wikipedia, gun control, as any law, is meant to provide the guidance that in terms of handling all gun related issues. This includes the assembly, transportation, distribution, sale and final use of the guns....   [tags: US constitution, less crime] 2042 words
(5.8 pages)
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The History of Bulletproof Clothing - Bulletproof clothing is the most interesting thing I have ever seen in my life. There is not really a problem of bulletproof clothing besides it is very expensive to make it. It is very expensive just because of the materials. The materials are spider-silk, vectran and Kevlar. The history of bulletproof has been worn for thousands of years. Even the medieval Europe worn body armor. By the 1500’s, they changed the development of cannons and guns. Bulletproof in the encyclopedia means the protection of bullets, knives and puncture wounds....   [tags: bulletproof, kevlar, body armor]
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1445 words
(4.1 pages)
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Gun Control: Pros and Cons - ... In other states you must have a permit to own any type of firearm. "The Constitution shall never be constructed to prevent the people of the United States who are peaceable citizens from keeping their own arms." - Samuel Adams, during the Massachusetts Convention to Ratify the Constitution (Cothran). Gun Control enthusiast believe that the second amendment was only intended for the men and women of our National Guard, hints “Militia”. But in a federal court case in 2001 the judges ruled that the Second Amendment "protects the right of individuals, including those not then actually a member of any militia or engaged in active military service or training, to privately possess and bear th...   [tags: firearms, restrictions, attackers]
:: 5 Works Cited
808 words
(2.3 pages)
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Rail Away - Rail Away “I greatly prefer a world where all sides ware armed with shields to a world where all sides are armed with swords and no shields.” - Dr. Edward Teller For several years many advances in technology and human living have come from necessity, and that necessity comes from periods of war. We have built tanks and guns and planes and bombs to increase our chances of winning battles, and sparing as many of our lives and destroying as many of their lives as possible. Through such advances came better car engines, faster transportation, better security and self-defense, and awareness of the dangers of weaponry....   [tags: Weapons Technology War Rail Guns Essays]
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3216 words
(9.2 pages)
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The Mexica Empire against Hernan Cortes - ... Also, Cortes made sure his army fought in regiments with back up units. This set up would be a stark contrast to the individual fighting style the natives would stick to and with no sense of control or cohesiveness the conquistadors were able to run them down like it was nothing. Armor was another huge advantage the Aztecs had to try to counter. Their projectiles would fail against the steel and obsidian was considerably weaker than steel. Another major advantage that the Spanish had over the Aztecs was that they had armor....   [tags: the conquest of America]
:: 7 Works Cited
1585 words
(4.5 pages)
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The Physics of Fishing - The Physics of Fishing The use of a boat while fishing and some of the physics applicable to boating will be included in exploring the various ways physics applies to the sport of fishing. Other topics will include the fishing rod, fishing lure, casting, and the fish itself. The boat floats on the water according to Archimedes Principle which states an immersed object is buoyed up by a force equal to the weight of the fluid it displaces. The force applied downwards by earth’s gravity coupled with the upward force of buoyancy allows the boat to float....   [tags: Physics ]
:: 5 Works Cited
871 words
(2.5 pages)
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Physics of the Browning M2 .50 Cal - The Browning M2 .50 caliber machine gun is better known as the 'Ma Duce' to those who have had the pleasure of firing this heavy barrel machine gun. In 1919 John M. Browning developed the M2 .50 cal as an anti-aircraft weapon. The M2 was first introduced into the United States Military in 1933 and is used by many militaries through out the world today. Since 1933 there have been little changes made to this weapon system. The BMG (Browning Machine Gun) is a crew served, belt fed, air-cooled, recoil operated machine gun capable of firing in single shot or fully automatic....   [tags: physics machine gun] 1102 words
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The Development of The Cannon and Gun Powder - The Development of The Cannon and Gun Powder The developments of gunpowder and the cannon were the most important advances during the Middle Ages. If it weren't for these inventions, who knows how we would be fighting today, possibly still the wars of Ancient Rome. The development of gunpowder meant that soon the use of knights would be useless because of the projectile that could easily knock a knight off his horse, rendering him helpless. The gunpowder enabled this projectile. The development of the cannon goes hand-in-hand with the gunpowder....   [tags: Papers] 525 words
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Ships for Raleigh's Expeditions - Ships for Raleigh's Expeditions It was not only as a navigational instructor that Raleigh employed Harriot. He was involved with the design of the ships for Raleigh's expeditions as well as being involved in the construction of the vessels and selecting the seamen. He was Raleigh's accountant, being responsible for obtaining funding for the expeditions and keeping all the accounts. Raleigh had the captains Philip Amadas and Arthur Barlowe make an expedition to Roanoke Island off the coast of North Carolina in 1584....   [tags: Papers] 1897 words
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The Physics of Soccer - Rolling Motion and Friction Suppose you kick a soccer ball without giving it any spin. Your foot, therefore, gives the ball an initial speed (v) and an initial angular speed of 0. Since grass is not frictionless, the ball initially slides across the field, then starts to rotate and, eventually, starts rolling without slipping. A soccer ball rolls without slipping when its center-of-mass speed equals its angular speed (around its center of mass). OK, now suppose you want to kick the ball so that it immediately starts rolling without slipping....   [tags: physics sport sports soccer football] 734 words
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Right to Own Handguns - The right to own a handgun has been a controversial issue for decades with both Gun rights activists and anti-gun supporters citing the Second Amendment. Many gun enthusiasts believe that an individual’s right to own a handgun is protected by the United States Constitution’s Second Amendment and enforcing Gun Control is violating a persons Constitutional rights. While the anti-gun supporters believe the Second Amendment does not assure the individual right to own a handgun but guarantees only the right of individual states to have their own militias and that the government has the duty to protect its citizens and prevent crimes by enforcing stricter Gun Control laws....   [tags: argumentative, persuasive, gun control]
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Physics of Fishing - Fishing contains a wide variety of physics. when you cast you are using projectile motion and rotational motion. when you hook a fish it will often use the drag from the current agenst you. Immagine draging a fish through a swift current. You deal with the tention of your line, and the friction of the line through the guides. you also deal with friction when you use a drag. Reels One of the key components of your fishing gear is the reel. http://www.eangler.com/eangler/proshop/reels.asp?shopby=D&dept_id=67&dept_image=reels.gif&pageheading=Reels&JEX=101025 These are spinning reels designed for smaller fish....   [tags: Physics Science Fish Fishing] 910 words
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Physics of Soccer - Physics of the Ball How and where you kick the ball is the most important aspect within the game of soccer. Lets say you kick the ball perfectly giving it no rotation (or spin), this means that you have given the ball a velocity (v) and an initial angular speed of zero. When the ball comes into contact with the ground it will begin to spin because the ground is not frictionless. The soccer ball will eventually begin to roll without slipping, which is when the balls center of mass is equal to its angular speed....   [tags: physics sport sports soccer football] 1400 words
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The Mathematics In Sports - When researching the math behind sports, I found that there are a multitude of formulas that go behind the simple actions in sports such as basketball and baseball. Basketball is a game played between two teams of five players in which goals are scored by throwing a ball through a netted hoop fixed above each end of the court. Baseball is a ball game played between two teams of nine on a field with a diamond-shaped circuit of four bases. To be successful in these sports, one must make their baskets, and hit the ball a certain way....   [tags: Athletics, Angles] 522 words
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Physics of Firearms - Shooting is a popular activity and it is enjoyed by many people, so much so that it is also done at a competitive level. Although many people may have shot a firearm of some sort, few of those people actually realize how much physics is involved with the shot. So what exactly is Ballistics. Ballistics is the science or study of the motion of projectiles and in the case of most firearms, these projectiles are the bullets. There are two things that affect the flight of a bullet once it has been shot out of the gun....   [tags: physics gun guns firearm ballistics] 615 words
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The Gravitational Slingshot - The Gravitational Slingshot The gravitational slingshot is a way that scientists have truly harnessed the gravitational pull of a planet by using it to launch satellites and other useful projectiles towards their desired locations. This method was developed through the use of Newton's Laws of Gravity and Kepler's Laws of Planetary Motion. When these ideas of gravity and the shape of a planet's orbit were brought together piece by piece, this new theory changed how a projectile traveling through space could simply cross an orbital pattern, which would in turn change the path of the moving object....   [tags: Scientific Research ]
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The Space Race - Thesis: The race into space changed the course of history; the scientific exploration united nations and captivated the world. “Vergeltungswaffe zwei” was the designation given to Adolf Hitler’s principal long-range warhead. Long before the Americans and Soviets initiated their pursuit of space, the Germans had ambitions of their own. The “German Army Ordnance,” in fact, toiled tirelessly constructing rocket-like missiles before the Second World War. Hitler and the Nazis believed that the capability to attack strategic foreign objectives in a concise period of time would cripple their counterparts and ordain the Germans unstoppable (“Space Race Exhibition” 1)....   [tags: Space Exploration ]
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High Power Microwaves - “Too often we measure everything and understand nothing.” according to Jack Welch. So the government has decided to take a closer look at high powered Micro waves. In his paper I‘m going to speak to you about high power microwaves, it’s applications, a comparison of two different types, some of the history, and the findings in results of its research. “High power microwaves (HPM) is an imprecise term used by several communities [1]. In the DoD it pertains primarily to the generation of high peak power bursts of narrowband (coherent) electromagnetic radiation spanning” a specific frequency range, according to E....   [tags: Applications, Types, History, Research] 1119 words
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The Physics of the Curve Ball - The Physics of the Curve Ball Dad said that one of these days I would figure it out, but to this day I am still clueless. I have always been able to throw a decent curve ball; you don’t just throw 6 one hit games in your high school career without one. I have always wondered why and how the ball curves through the air, and it wasn’t until now that I have really had the chance to research a topic that has puzzled me for so long. I would bet that even pitchers in the “Big show” don’t know how or why, but they obviously have the talent and ability....   [tags: Physics Research Papers] 800 words
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Smart Kids Do Stupid Things - I will be the first to testify and, despite my obvious bias, I still believe that I am completely accurate when I say that my parents are the best that any kid has or will ever have. My mother, though, regardless of her efforts, repeatedly made a fatal error my upbringing; she never learned that, despite her trust in me, any adolescent boy left idle and unsupervised for any length of time will eventually turn to no good. Such was the case on a particular August afternoon. August, for any grade-schooler, is without a doubt the most despicable of months....   [tags: Personal Narrative, essay about myself] 1155 words
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Vietnam - Weapons And Battle Tactics - Weapons of the Vietnam War In late 1961, America took physical force in the Vietnam War. War is a complex series of political events that leads to physical involvement in the form of armed combat. Technology is a major deciding factor in war, along with the battle tactics used, terrain, experience and professionalism of the opposing forces. By 1961 both the United States and Vietnam had developed a broad array of guns and weapons to fight off one another. Coupled with battle tactics this provides a deadly and extremely hostile environment....   [tags: Vietnam War Conflict] 1792 words
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Nisour Square Shooting - Nisour Square Shooting For years Blackwater have been operating above the law, but Nisour Square Shooting was the last straw. On Sept. 16, 2007 a Blackwater convoy opened fired on a crowd of unarmed citizens killing 14 and wounding 18. “In Baghdad, Prime Minister Nouri al-Maliki promised that Blackwater guards would be held accountable for what he called "a big crime" in the weekend violence. Iraqi officials have threatened to expel Blackwater from Iraq over the incident, in which at least nine Iraqis were killed.” (Fainaru, 2007) Operating directly for the State Department made Blackwater next to untouchable....   [tags: iraqui shooting, blackwater, leadership] 557 words
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The Physics of Volleyball - The Physics of o Volleyball From six thirty one morning to three O’ clock the next morning was my longest volleyball day ever. Fourteen and a half hours of play with only 3 breaks for food, makes for an exhausting event. So what makes volleyball worth such a sacrifice. It is the endless possibilities and outcomes that can occur by playing this magnificent sport and challenging the basic laws of physics. In the sport of volleyball the same thing never happens twice. Things may seem similar but there are always slight differences....   [tags: Sports Athletics Essays]
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The Physics of Football - The Physics of Football There is no question that everything people do in their lives involves physics. This is true from the way we communicate to the way that we fight wars. In some cases the influence of the laws of physics on our world are extremely apparent, such as in sports. Basketball, hockey, baseball and even cricket involve physics. From the most basic motions players perform in the game, to different plays designed by coaches, physics touches it all. These appearances of physics in the games that we play are sometimes so subtle we don’t even notice them....   [tags: Science Athletics Sports Essays]
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The Physics of Football - The Physics of Football The crowd is cheering as the quarter back from the Chicago Bears throws the football 25 yards to the star wide receiver. As the wide receiver catches the football, he starts off on a mad dash to make a touch down. During his run for the touchdown, he does not see his opponent from the Dallas Cowboys sneaking up on him to stop his success. The wide receiver from the Chicago Bears is tackled by his opponent and prevents him from his victory. While watching this fascinating and suspenseful moment, one would not think that there is more to football than fun and excitement....   [tags: Science Athletics Sports Essays]
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The Physics of Basketball - The Physics of Basketball The more and more I look around I begin to see how physics are integrated into practically everything that we do. These things would surely go unnoticed without making a conscious effort to notice them. For example simple things like riding a bike, or driving a car, or playing catch with a son or daughter. Just as these activities are loaded with elements of physics, sports are also, especially basketball. Physics play a part in every aspect of the game, from dribbling, passing, and shooting, to things as simple as setting a screen....   [tags: Athletics Sports Essays]
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History of the Gluckauf - In 1886, the GLUCKAUF, built in Britain in 1886 became the world's first true; oil tanker with separate tanks for the oil, built into her hull. Previously, petroleum had been transported in small containers loaded on conventional merchant ships. The driving forces behind the evolution of tankers were the demand for oil and the growing competition between oil companies striving for a greater share of the market for kerosene and other refined products. In 1850, the cargo ship generally still had her sailing ship-type flush deck, except for a central bridge built across the tops of the paddle frames....   [tags: essays research papers fc]
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Exploring How the British Could Have Achieved Victory in the American War of Independence - An Investigation into How the British could have achieved victory in the American War of Independence The American War of Independence was perhaps the first colonial war of independence during the period of European dominance across the globe. Great Britain, a relatively new country with a stable, democratic government, established an enormous trading empire which stretched from North America to East India and was the greatest superpower on Earth. It came to be so, firstly by its highly effective navy which allowed it to transport goods and defeat other rival fleets....   [tags: american history, revolutionary war, American revo] 1794 words
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Does Playing with Guns as a Child can Affect your Adulthood - Boys And Guns There is something most if not all boys have in common, being an adult or a child. That is the unexplained fascination with guns, of course some being more fascinated than others. Growing up I remember making fake guns out of paper and I loved water guns, all toy guns drew my interest. Despite, I always being concerned of ever grimly wielding a gun that could actually fire a harmful projectile. A power like that never seemed to draw my interest. Every boy I knew growing up shared my fascination more or less, this lead to too many imaginary gun based games when playing outside....   [tags: bb guns, toy guns, firearms, killers]
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Women in Ministry and the Redemptive Trend Hermeneutic: My View - In 1988, the Council for Biblic¬al Manhood and Womanhood published the Danvers Statement, affirming that "In the church, redemption in Christ gives men and women an equal share in the blessings of salvation; nevertheless, some governing and teaching roles within the church are restricted to men." I am hesitant to single out one organization for focused argument, but this statement accurately represents a sentiment within the faith that I find disturbing. In this paper, I will use the redemptive trend hermeneutic to deconstruct the CBMW's affirmation, while providing my own views on why I find both women in ministry and the redemptive trend hermeneutic as valid....   [tags: Theology]
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A Case for the National Adoption of the Metric System - America is on the cutting edge of almost everything, except for basic units of measurement. Every nation on earth has adopted the International System of Units, or metric system, as their official system of weights and measures, with the exception of Myanmar, Liberia, and the United States of America (“CIA World Fact Book,” n.d.). Throughout history, the metric system has proven itself as a reliable, and simple to use, decimal based system of measurement. In comparison, the United States customary system is overly complicated and requires extensive conversions to apply....   [tags: Argumentative Essay]
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Gun Violence in America: Terrorists, Criminals, and the Mentally Deranged - A gun is a very powerful piece of machinery that can impact a person’s life in just milliseconds. In the wrong hands, a gun could negatively impact many. If a person is not mature enough to handle a gun, they are likely to make poor decisions with the weapon and underestimate their abilities or the abilities of the gun. On the other hand, a person may know exactly how powerful a gun is. Some may use this tool for good while others use it for bad. They may intentionally create havoc with the weapon in an attempt to advance him or her self in one-way or another....   [tags: mass shootings, gun control]
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New Mothers: How Is Your Baby Developing at 1 Month? - New mothers learn that by the first month after their babies are born, they develop their own schedules for eating, sleeping and playing. Babies at this age usually can communicate to their mothers when they are hungry or uncomfortable and need to be changed. Sleeping is usually not a problem, since they can sleep for long hours and may not even stir with loud noise. However, you might expect more challenges if your baby was born too early. Caring for premature babies may add some stress, which means that mothers should look for support and at the same time, take care of themselves, too....   [tags: sleeping, changes, social development]
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Wind and Solar Power: The Alternatives to a Carbon-Based Society - Introduction Carbon has represented itself as a chemical element that not only is the fuel for photosynthesis and material in which humans are made of, but also a component in the fuel that is bought and burned today. Due to the carbon-based fuel system that humans have implemented into society, carbon - especially fossil fuels - has developed into a primary natural resource that is used today. While the fuel system presents itself as being an accessible and cheap resource, the carbon-based fuels such as coal, oil, and natural gas has generated impacts to not only the environment, but the cultural services as well....   [tags: energym renewable, wind, solar, fuel] 2516 words
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Changes of Weaponry and Warfare during the Middle Ages - Changes of Weaponry and Warfare during the Middle Ages During the Middle Ages, or also known as the Medieval Ages, change was a major part of that period. Europe was watching war become much different. In the older times, a few thousands of troops were considered a large army. Nowadays, nobody has ever seen such size of an army with such variety in weapons including guns, munitions, and artillery that were all developed during that period. Besides, it was obvious that the face of warfare was changing by the end of the fifteenth century....   [tags: Military History] 2285 words
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Battle of Antietam: A Bloody Day in US History - The Battle of Antietam is remembered as the bloodiest single day of the American Civil War and US history. This battle, also known as the Battle of Sharpsburg, was fought on September 17, 1862; and it was named by the Union because it took place near Antietam Creek. The Union army led by General George McClellan and the Confederate army led by General Robert E. Lee encountered each other near Antietam Creek in Sharpsburg, Maryland. The Battle of Antietam was the first battle of the American Civil War to be fought on the northern soil....   [tags: American Civil War]
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Twin Peaks: A Short Story as a Sales Clerk - ... “Well, Katherine, why don’t you follow me and take a look around.” Katherine smiled and followed my lead. I took her to a little expensive corner of the lingerie section and fished out a few bras which were on display. “How do you like these, Ma’am?” I asked, faking a smile. “Yes…yes…these are nice…yes!” She mumbled, flipping through the stuff I had strewn out in front of her. She picked up a pink coloured designer bra and shoved it in front of my face rather emphatically. “I’ll have this one!” Holding the smile on my face with a pseudo cello-tape, I took the piece of undergarment from her and inspected its size....   [tags: breast, manager, boon, gross, bra] 1993 words
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