How much work does an elevator motor do to lift a 1000 kg elevator a height of 100m at a constant speed? b) How much power must the motor supply to do this in 50 s at constant speed?

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a) How much work does an elevator motor do to lift a 1000 kg elevator a height of 100m at a constant speed?

b) How much power must the motor supply to do this in 50 s at constant speed?

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