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April 20, 2014

Homework Help: Physics

Posted by Tarra on Thursday, February 2, 2012 at 11:35pm.

A ball is thrown straight up and rises to a maximum height of 20 m above the ground. At what height is the speed of the ball equal to half of its initial value? Assume that the ball starts at a height of 2.1 m above the ground.

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