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A 1325 kg elevator starts from rest and moves upwards for 4 seconds with a constant...

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Physics

A 1325 kg elevator starts from rest and moves upwardsfor 4 seconds with a constant acceleration until it reaches a speedof 2.1 m/s. After 4 seconds, the speed of the elevator remainsconstant. A) What is the average power of the elevatormotor during the first 4 seconds? B) What is the average power ofthe elevator when t=9 seconds?

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