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A projectile is any object propelled through space by the exertion of a force which ceases after launch. A football after being kicked and a baseball after being hit could be considered projectiles. However, the word is most often used to refer to weapons designed with the appropriate size, shape and hardness, and propelled with sufficient speed, to cause damage (injury, property damage) to a person, animal or object they hit.

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Blogs for Projectile

Retrospectacle: A Neuroscience Blog : Science Vault: Projectile Penguin ...

Blog Hiatus Until March 1st. Now, Take Your Drugs Aurally. And the Winner is. ... Ospreys are pretty adept at projectile pooping. ...scienceblogs.com/retrospectacle/2007/07/science_vault_projec...

The BRAD BLOG : VIDEO - New Projectile IED Increases Violence in Iraq

A new type of IED uses a projectile that can go through 4 inches of steel on an ... Go to The BRAD BLOG front page " "Saudis Buy Influence in Fox 'News' ...www.bradblog.com/?p=2146

Basics: Projectile Motion | Dot Physics

**pre-reqs:** (http://blog.dotphys.net/2008/09/basics-kinematics/) My previous ... In particular, what about projectile motion. ...blog.dotphys.net/2008/09/basics-projectile-motion/

5:01 Blog - Projectile Comedy

Welcome to the 5:01 Blog, a place where internal clocks wait for 5 p.m. A place where good music is shared over a beer, books are traded with friends and favorite ...www.501blog.com/tag/projectile-comedy/

Tear Gas Projectile — Blogs, Pictures, and more on WordPress

Blogs about: Tear Gas Projectile. Featured Blog ... Find other items tagged with "tear-gas-projectile": Technorati Del.icio.us IceRocket ...en.wordpress.com/tag/tear-gas-projectile/

Wikipedia About Projectile

A projectile is any object propelled through space by the exertion of a force which ceases after launch. A football after being kicked and a baseball after being hit could be considered projectiles. However, the word is most often used to refer to weapons designed with the appropriate size, shape and hardness, and propelled with sufficient speed, to cause damage (injury, property damage) to a person, animal or object they hit.

Motive force

Arrows, darts, spears, and similar weapons are fired using pure mechanical force applied by another solid object; apart from throwing without tools, mechanisms include the catapult, slingshot, and bow.

Other weapons use the compression or expansion of gases as their motive force.

Blowguns and pneumatic rifles use compressed gases, while most other guns and firearms utilize expanding gases liberated by sudden chemical reactions. Light gas guns use a combination of these mechanisms.

Railguns utilize electromagnetic fields to provide a constant acceleration along the entire length of the device, greatly increasing the muzzle velocity.

Some projectiles provide propulsion during (part of) the flight by means of a rocket engine or jet engine. In military terminology, a rocket is unguided, while a missile is guided. Note the two meanings of "rocket": an ICBM is a missile with rocket engines.

Non-kinetic effects

Many projectiles, e.g. shells, contain an explosive charge. With or without explosive charge a projectile can be designed to cause special damage, e.g. fire (see also early thermal weapons), or poisoning (see also arrow poison).

Kinetic projectiles

See also: KE-Munitions

Projectiles which do not contain an explosive charge are termed kinetic projectile, kinetic energy weapon, kinetic warhead or kinetic penetrator. Classic kinetic energy weapons are blunt projectiles such as rocks and round shot, pointed ones such as arrows, and somewhat pointed ones such as bullets. Among projectiles which do not contain explosives are also railguns, coilguns, mass drivers, and kinetic energy penetrators. All of these weapons work by attaining a high muzzle velocity (hypervelocity), and collide with their objective, releasing kinetic energy.

Some kinetic weapons for targeting objects in spaceflight are anti-satellite weapons and anti-ballistic missiles. Since they need to attain a high velocity anyway, they can destroy their target with their released kinetic energy alone; explosives are not necessary. Compare the energy of TNT, 4.6 MJ/kg, to the energy of a kinetic kill vehicle with a closing speed of 10 km/s, which is 50 MJ/kg. This saves costly weight and there is no detonation to be precisely timed. This method, however, requires direct contact with the target, which requires a more accurate trajectory.

With regard to anti-missile weapons, the Arrow missile and MIM-104 Patriot have explosives, but the Kinetic Energy Interceptor (KEI), Lightweight Exo-Atmospheric Projectile (LEAP, see RIM-161 Standard Missile 3), and THAAD being developed do not (see Missile Defense Agency).

Images found for Projectile

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News about Projectile

Plants Vs Zombies

FerragoOrganic and fairly-tradedhttp://play.tm/review/24562/plants-vs-zombies/

Police collect 98 firearms

The RepublicanWEST SPRINGFIELD - The "gifts for guns" exchange conducted on Saturday at six area drop-off locations netted 98 firearms, including a German World War I pistol and a Japanese World War II rifle.http://www.masslive.com/chicopeeholyoke/republican/index.ssf...

My $4,500 Lemon: Taking the Feds Up on Cash For Clunkers

Time MagazineBeing too rich for foreclosure, but too poor for derivatives, I had begun to think the government would never craft a bailout for me. However, Uncle Sam has selected me to stimulate the economy by buying a new car. This program will pay me to do ithttp://www.time.com/time/nation/article/0,8599,1896663,00.ht...

Carino Column: "Radial Bat" could be solution to aluminum vs. wood

MyCentralJersey.comProfessional baseball has a problem: As hitters become more and more powerful, broken bats have turned into weapons.http://www.mycentraljersey.com/article/20090509/SPORTS01/905...

Budget 2010: Navy may rethink 313-ship goal - Navy News, news from Iraq - Navy Times

Navy TimesThe Navy appears to be backing off its oft-stated goal of building a fleet of at least 313 ships. Instead, a Navy budget official said May 7, the goal could change as part of the upcoming Quadrennial Defense Review.http://www.navytimes.com/news/2009/05/navy_budget_050909w/

News about Projectile

Chasing Aggressive Tarpon Through the Yucatán Mangroves

New York TimesI believe the rod-lifting is a fear response, the angler’s attempt to shield himself or herself from the projectile outside the boat.) Fly fishing for tarpon on the cenote-fed lakes around Majahual is something of an endurance contest. Roach and I ... http://www.nytimes.com/2009/05/10/sports/othersports/10outdo...

My $4,500 Lemon: Taking the Feds Up on Cash For Clunkers

TimeThe "toxic" part I knew already. Between the catastrophic diaper failure while touring Amish country circa 2004, and the projectile vomiting episode on the way to the beach in '01, my family van has been a rolling Superfund site for years. ( See the ... http://www.time.com/time/nation/article/0,8599,1896663,00.ht...

A US boost for India's science education

Boston GlobeA physics problem involving projectile motion should involve a cricket ball --not a golf ball. A real highlight was a science quiz game that had the kids compete in teams. They had to determine whether hypotheses were correct or incorrect, and ... http://www.boston.com/news/world/blog/2009/05/in_india_plann...

Men of War - Patch 1.11.3

4Players.deFixed projectile dispersion of long-barrelled guns like D25 and D10S (dispersion at 110m was equal to that at 130m). * Soviet stormtrooper has now expert level in machine gun command. * Increased Sturmtiger accuracy at 100-140m, slightly increased ... http://www.4players.de/4players.php/download_info/Downloads/...

ITEMA Weaving to present latest weaving technology at ITM

Fibre2FashionWhether your requirements call for the most flexible rapier technology, a projectile weaving ma-chine for demanding technical fabrics or high performance air-jets with the lowest air consumption, ITEMA Weaving is the ideal partner. Somet Alpha PGA ... http://www.fibre2fashion.com/news/company-news/itema-group/n...

Search results for Projectile

projectile - definition of projectile in the Medical dictionary - by ...

projectile. something thrown forward. projectile syringe. see blow dart. projectile vomiting. forceful vomiting, usually without preceding retching, in which the vomitus is thrown ... http://medical-dictionary.thefreedictionary.com/projectile

projectile - Definition of projectile at YourDictionary.com

pro·jec·tile (prō jek ′ təl, prə-; also, chiefly Brit & Cdn, -tīl′)http://www.yourdictionary.com/projectile

PhET Projectile Motion - Projectile Motion, Motion, Gravity, Velocity ...

The William and Flora Hewlett Foundation Makes grants to address the most serious social and environmental problems facing society, where risk capital, responsibly invested, may ... http://phet.colorado.edu/simulations/sims.php?sim=Projectile...

projectile - Hutchinson encyclopedia article about projectile

Particle that travels with both horizontal and vertical motion in the Earth's gravitational field. If the frictional forces of air resistance are ignored, the two components of its ... http://encyclopedia.farlex.com/projectile

projectile - Wiktionary

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions.http://en.wiktionary.org/wiki/projectile

Wikipedia results for Projectile

Projectile - Wikipedia, the free encyclopedia

A projectile is any object propelled through space by the exertion of a force which ceases after launch. A football after being kicked and a baseball after being hit could be ... http://en.wikipedia.org/wiki/Projectile

Trajectory of a projectile - Wikipedia, the free encyclopedia

The United States Department of Defense and NATO define a ballistic trajectory as a trajectory traced after the propulsive force is terminated and the body is acted upon only by ... http://en.wikipedia.org/wiki/Trajectory_of_a_projectile

Trajectory - Wikipedia, the free encyclopedia

Trajectory is the path of a moving object that it follows through space. The object might be a projectile or a satellite, for example. It thus includes the meaning of orbit - the ... http://en.wikipedia.org/wiki/Projectile_motion

Bullet - Wikipedia, the free encyclopedia

A bullet is a hard projectile propelled by a firearm, sling, or air gun and is normally made from metal (usually lead). A bullet does not contain explosives, but damages the ... http://en.wikipedia.org/wiki/Bullet

Projectile point - Wikipedia, the free encyclopedia

In archaeology, a projectile point is an object that was hafted and used either as knife or projectile tip or both, commonly called an arrowhead. Occasionally, projectile points ... http://en.wikipedia.org/wiki/Projectile_point
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Videos found for Projectile

How to Make a Projectile in School

How to Make a Projectile in SchoolIf you're bored of lectures and work in school, watch and learn.Flash - Video

Projectile bottle!

Projectile bottle!Me and my friends got bored and i found my blow torch. well after burning things for a few minutes i had the idea to fill up a bottle with the gas then light it...well we made it...Flash - Video

Projectile Dysfunction

Projectile DysfunctionIf you are having a hard time killing, you may be suffering from P.D.Windows Media - Video

Projectile in the groin

Projectile in the groinThese guys tell his mate that they will hit him in the chest - instead, they go straight for the balls, bullseyeFlash - Video

Railgun Projectile Test

Railgun Projectile TestFootage of the Office of Naval Research and Naval Surface Warfare Center conducting a test of an electromagnetic railgun at Aberdeen Proving Ground and the Navy Office of Naval...Flash - Video

Answers for Projectile

all-nighterprojectile?all-nighterThe range is the distance between the base of the cliff and the point where the projectile hits the ground. The magnitude of the velocity is just the velocity v = sqrt (v_x^2 + v_y ^2). You have to...West30How fast does a projectile need to be fired from earths surface?West30Re = 6.376E6 m R2 = Re + 2E6 = 8.376E6 m Vi = √[2GMe*(1/Re - 1/R2)] = √[2*3.98866E14*(1/6.376E6 - 1/8.376E6)] Vi = 5466 m/sEliHow do you calculate how far a projectile will go into something?EliThat's a very difficult question you're asking. Shooting the projectile would obviously give you the most accurate result. However, in theory, what you're asking is quite a bit of "guess work." You...$iWhat affect does the material used for a projectile in a coilgun have?$iYou are on the right track. Iron will magnetize well but is very heavy, so more energy will be needed to accelerate the projectile. A metal with a high b-h product will be the best. Simmonds 83 is a g...bulldog5667What is the angle of reach for a projectile fired from elevation?bulldog5667wow very confusing
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