A 621-kg elevator starts from rest and moves upward for 3.20 swith constant acceleration until it reaches its cruising speed,1.65 m/s.
(a) What is the average power of the elevator motor during thisperiod?
hp
(b) How does this amount of power compare with its power during anupward trip with constant speed? (Give the power during an upwardtrip with constant speed.)
hp
