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The efficiency of a machine is 75%.if this machine raises a load of 150kg through a vertical height of 20cm, calculate the work done by the labourer g-10m s
4 years ago

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Heeshar
Pls help
4 years ago
R_scott
(150 kg * 10 m/s^2 * .20 m) / .75 ... Joules
4 years ago

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