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October 22, 2014

Homework Help: physics

Posted by larry on Monday, July 8, 2013 at 5:00pm.

a crane drops a 1.0 kg steel ball onto a steel plate. the ball's speed just before impact is 2.0 m/s. if the average impact force is 300 N, and the ball is in contact with the plate for 0.01 seconds, what is the bounce back speed right after the impact.

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