An electric motor is used to lift an elevator and its load, Physics

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An electric motor is used to lift an elevator and its load

An electric motor is used to lift an elevator and its load to aheight of 20m. The time taken for the job is 20s.What is theWorkdone? What is the rate at which work is done? If the efficiencyof the motor is 75% at which rate is the energy supplied to the motor?

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Physics: An electric motor is used to lift an elevator and its load

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Physics: An electric motor is used to lift an elevator and its load

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