Homework Help: Physics

Posted by Hellen on Tuesday, March 27, 2012 at 10:24pm.

a 4 kilogram ball moving at 8 meters per second to the right collides with a 1 kilogram ball at rest. After the collision, the 4 kilogram ball moves at 4.8 meters per second to the right. What is the velocity of the 1 kilogram ball?

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