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[" 19.Calculate the power of an engine w...

[" 19.Calculate the power of an engine which can pull a "],[" train of mass "25000" quintal up an incline of "1" in "],[100" at the rate of "10.8km/h" .Resistance due to "],[" friction is "2N/quintal." [Ans."8*85times10^(5)" watt "]]

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