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Physics, 07.10.2020 14:01 bellbug08

An effort of 30N is applied to lift a bag of 100N with the aid a machine. The distance cover by the effort and the bag are 100m and 400m. calculate The velocity of the machine and the efficiency of the machine

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An effort of 30N is applied to lift a bag of 100N with the aid a machine. The distance cover by the...
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