I've had several mental breakdowns please help me
A motor that uses electrical energy at a rate of 1.5 kW is connected to a hydraulic lift that is used to lift a 1300 kg car to a height of 1.8 m in 24 s at constant speed. Find the efficiency of the system consisting of the motor and the lift .
The answer is 31% but please explain how to do this
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I've had several mental breakdowns please help me
A motor that uses electrical energy at a rate of...
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