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July 28, 2015

Homework Help: physics

Posted by Anonymous on Thursday, October 29, 2009 at 12:22pm.

A boy reaches out of a window and tosses a ball straight up with a speed of 10 m/s. The ball is 20 m above the ground as he releases it. Use energy to find The ball's speed as it passes the window on its way down and speed of impact on the ground.

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