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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