A 675 kilogram elevator starts from rest and moves upward


A 675 kilogram elevator starts from rest and moves upward for 3.40 second with constant acceleration until it reaches its cruising speed, 1.65 m/s.

(1) Find the average power of the elevator motor during this period?

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(2) Find how does this amount of power compare with its power during an upright trip with constant speed?

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Physics: A 675 kilogram elevator starts from rest and moves upward
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