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An engine pulls a 1500-kg car on a level road atconstant speed of 5.0ms against a frictional forced500 N. Calculate the power expended by the engineWhat extra power has the engine to expend in ordeto maintain the same speed of the car up an inclinedplane having a gradient of 1 in 10?Ans. 2.5 k W, 7.35 k |
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