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The loaded cab of an elevator has a mass of 2500 kg and moves 215 m up the shaft in 22 s at constant speed. At what average rate does the force from the cable do work on the cab?
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Questio: A pump is required to lift a mass of 850 kg of water per minute from a well of depth 13.8 m and eject it with a speed of 17.2 m/s. part A. How much work is done per minute in lifting the water? part B. How much ...
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