Collisions


Collision: An event in which two or more bodies exert relatively high forces on each other for a short period of time.

Elastic collision: A collision in which the total kinetic energy of the particles before and after the encounter is the same.

Inelastic collision: A collision in which the total kinetic energy of the particles before and after the encounter is not the same.

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Here are two videos of the same collision one a normal speed and the other at slow speed. The collision is between a rocket sled and a car. The purpose in the experiment was to see if was possible to pancake a car. It is one the best and most interesting examples of how destructive collisions can be.

These videos are courtesy of
the Discovery Channel's Program Mythbusters.

 

 

 

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