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October 24, 2014

Homework Help: physics

Posted by Anonymous on Thursday, September 26, 2013 at 3:39pm.

A ball dropped from a sixth floor window accelerates at 10 m/s^2
After 2 seconds it hits the
ground. It bounces back with a
velocity of −15 m/s

1.find the height from which the ball was dropped.

2. How high did it bounce?

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