Find the average power performed by the crane

Reference no: EM13241460

A crane at a construction site lifts a concrete block with a mass of 440 kg from the ground to the top of a building with a height of 15.0 m.

a) How much work did the motor of the crane do? (Assume zero energy loss in the lifting mechanism due to friction.)

b) If the duration of the lift was 3.00 minutes, then what was the average power performed by the crane?

Reference no: EM13241460

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