Physics, 14.12.2020 05:40 hilljade45
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
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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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