Two elevators, A and B, move at constant speed Elevator B moves with twice the speed of elevator A. Elevator B weighs twice as much as elevator A. Compared to the power needed to lift
elevator A, the power needed to lift elevator B is
O A. the same
O C. half as great
O B. twice as great
O D. four times as great
Answers: 2
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Two elevators, A and B, move at constant speed Elevator B moves with twice the speed of elevator A....
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