Estimate the following:
(a) The change in your gravitational potential energy on taking an elevator from the ground floor to the top of the Empire State Building. The building is 102 stories high (assuming a 3 min ride to the top of the building). (Assuming your mass is 68 kg and the height of one story to be 3.5 m.)
(b) The average force exerted by the elevator on you during the trip.
(c) The average power delivered by that force.
Answer:
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