May 26, 2016

Homework Help: chemistry .....please help :)

Posted by lalt on Wednesday, July 25, 2012 at 9:16pm.

Sitting in a chairlift, Rebecca has a gravitational potential energy of 5,997.6 J. If Rebecca has a mass of 51 kg, how high off the ground is the lift?
A. 6 m
B. 12 m
C. 118 m
D. 612 m

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