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July 25, 2014

Homework Help: physics

Posted by Anonymous on Sunday, October 28, 2007 at 1:38pm.

A 650kg elevator starts from rest. It moves upward for 3s with constant acceleration until it reases its cruising speed, 1.75m/s. (a) what is the average power of the elevator motor during this period? (b) How does this compare with its power during an upward cruise with constant speed?

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