A 650-kg elevator starts from rest. It moves upwardfor 3.00 s with constant acceleration
Chapter 8, Problem 38(choose chapter or problem)
A 650-kg elevator starts from rest. It moves upwardfor 3.00 s with constant acceleration until it reachesits cruising speed of 1.75 m/s. (a) What is the averagepower of the elevator motor during this time interval?(b) How does this power compare with the motorpower when the elevator moves at its cruising speed?
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