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A motor-cyclist is moving up an incline ...

A motor-cyclist is moving up an incline 1 in 100 at the speed of 40 kilometres per hour. What is the horse power of the engine if the motor-cycle and its rider together weigh 200 kg, coefficient of friction between tyre and road is 0.1 and air resistance to the system at this speed is 0.5 N per kg of the system ? (746 watts = 1 H.P.)

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