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A new construction crane has the following specifications: The hook has mass 1000kg, the maximum capacity of the hook is 400kg, the constant lifting speed of the hook is 1.5 m s , and the hook must achieve this speed in 2seconds at a constant acceleration, beginning at rest.
A) What is the maximum average power the crane motor must deliver to get up to cruising speed?
B) What constant power must the motor supply as the hook rises, after attaining its cruising speed upward?
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