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The engine of a train has to apply a force of 5000n to overcome friction to run at a uniform rate of 90 km/h .What is the power developed by the engine |
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Answer» GIVEN that Force F = 5000 N velocity v = 90km/h = 25 m/s Power is given by P = F. v = 5000 N × 25 m/s = 125000 W = 125 KW |
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