Estimate the average power of the elevator motor

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A 650 kg elevator starts from rest. It moves upward for 4.50 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?

W

(b) How does this power compare with the motor power when the elevator moves at its cruising speed?

Pcruising = W

Reference no: EM13510874

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