Physics
Physics, 17.07.2019 17:30, jasjas3722

Awinch system powered by a 7.2 volt motor is used to lift a 30 newton load a distance of 2.5 meters. the motor's current rating is 370 milliamps. what is the efficiency of the electro-mechanical system if the time required to raise the load is 90 seconds?

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Awinch system powered by a 7.2 volt motor is used to lift a 30 newton load a distance of 2.5 meters....

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