PhET Collision Lab

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course Phy 201

4/29/13 1148am

PHet 8.7 Collision LabThis was an interesting simulation. KE seemed to be conserved throughout all of the collisions as long as the elasticity was up. As soon as I turned the elasticity down, it was like all the balls almost stopped.

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Good.

Momentum is always conserved, whatever the elasticity.

A perfectly elastic collision is defined as one that conserves kinetic energy.

So your observations are very good.

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I played around with the simulation and variables for about 10-15 minutes. Let me know if there is moe you want me to do or other questions to answer.