February 22, 2017

Homework Help: math

Posted by sammie on Thursday, February 10, 2011 at 5:31pm.

a ball is dropped 128 feet from the roof of a building with each bounce the ball goes up exactly half its previous height. A man is sitting at his desk on the second floor. How many times will he see the ball if his eye level is 15 feet above the ground?

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