Estimate (a) the change in your gravitational potential
Chapter , Problem 12(choose chapter or problem)
Estimate (a) the change in your gravitational potential energy on taking an elevator from the ground floor to the top of the Empire State Building, (b) the average force exerted by the elevator on you during the trip, and (c) the average power delivered by that force. The building is 102 stories high. (You may need to estimate the time for the trip.)
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