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July 30, 2014

Homework Help: physics

Posted by roxy on Thursday, October 22, 2009 at 12:55pm.

Object A has a gravitational potential energy of 24 joules when it rests on a shelf 5 m above the ground. Object B has a mass that is three times the mass of Object A. What would be the gravitational potential energy of object B when it rests on a shelf 10 m above the ground?

o A. 72 joules

o B. 120 joules

o C. 144 joules

o D. 240 joules

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