Thursday
July 31, 2014

Homework Help: Physical Science

Posted by JJ on Saturday, January 8, 2011 at 3:13pm.

A 15 Kg object that is free falling has a total mechanical energy of 13,230 Joules.
(A) From what height was the object dropped?
(B) What is the velocity of the object when it hits the ground?
(C) How long does the object fall?

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