jerry7264 jerry7264

22-09-2022
Physics

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A mains operated motor raises an 1250, k, g,1250kg car to a height of 1, point, 7, m,1.7m. The electrical work done by the mains supply is 30000, J,30000J. Calculate the efficiency as a percentage to the nearest percent. g, equals, 10, N, slash, k, g,g=10N/kg

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