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Power is rate of doing work or the rate ...

Power is rate of doing work or the rate at which energy is supplied to the system. A constant force F is applied to a body of mass m. Power delivered by the force at time t from the start is proportional to (a) t (b) t2 (c) t (d) t0
Derive the expression for power in terms of F, m and t.

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`p=(F^2t)/m, :.pat`
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