1.a 650-kg elevator starts from rest. it moves upward for3 s with constant acceleration until it reaches its cruising speed, 1.75 m/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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1.a 650-kg elevator starts from rest. it moves upward for3 s with constant acceleration until it rea...
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