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June 30, 2015

Homework Help: Physics

Posted by Brittany on Sunday, December 19, 2010 at 9:53pm.

A ball of mass 0.640 kg moving east (+x direction) with a speed of 3.00 m/s collides head-on with a 0.740 kg ball at rest. If the collision is perfectly elastic, what will be the speed and direction of each ball after the collision?

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