Homework Help: physics

Posted by Harry on Monday, February 20, 2012 at 11:09am.

A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period?
What is the power of the elevator motor during an upward cruise with constant speed?

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