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July 4, 2015

Homework Help: Physics

Posted by KK on Wednesday, October 3, 2012 at 6:38pm.

A 607-kg elevator starts from rest and moves upward for 4.40 s with constant acceleration until it reaches its cruising speed, 1.73 m/s.

(a) What is the average power of the elevator motor during this period?
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(b) How does this amount of power compare with its power during an upright trip with constant speed?
W

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