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Cranium
A construction worker uses a crane to vertically lift an object weighing 2000 N to the top of a platform at a constant rate. If it takes 30 seconds to lift the object 150 meters, what is the rate of energy consumed
by the motor in the crane?
A. 5.0 kW
B. 8.0 kW
C. 10.0 kW
D. 12.0 kW
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