November 29, 2015

Homework Help: PHYSICS

Posted by mark on Wednesday, March 23, 2011 at 3:30pm.

2 pool balls of equal mass experience a perfectly elastic head on collision. 1 ball is traveling at 2m/s and the other at 3m/s in the opposite direction.What is thier speed just after impact? I know the balls swap speed and change direction but can't find the correct formula to prove this. Please help!

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