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Physics of Javelin

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Sierra Williams

on 18 January 2013

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Transcript of Physics of Javelin

Javelin A Physical Explanation -Spears have been around since the time of hunters and gatherers.
-The Javelin was first competitively thrown as a pentathlon event in the ancient Olympic games, 776 B.C.
-In the year 1780, the standard javelin length increased to 2.6 meters. This doubled the javelins weight from 400 grams to 800 grams making it more air resistance. The History I came to the evident realization that all of the laws of projectile motion will apply to javelin throwing as well. That means that the distance a javelin is thrown can easily be determined (ignoring air resistance) using the equations:
a=f(net)/m The Physics The Explanation Sources sportales.com/sports/javelin-the-history-and-facts/
http://hyperphysics.phy-astr.gsu.edu/hbase/mot.html#mot1 Velocity Questions -How can one determine the horizontal displacement of a Javelin throw?
-What are the factors involved?
-How can we solve for velocity?
The motion of a projectile under the influence of gravity can be predicted based on the acceleration of gravity (-9.8 m/s^2), the launch speed (V0), and launch angle. The horizontal and vertical motions may be separated and described by the general motion equations for constant acceleration.
To increase the distance the javelin travels on the horizontal plane, velocity must also be increased. The total distance the javelin will travel is equal to the average velocity multiplied by time.
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