physics

If a 64 kg sprinter can accelerate from a standing start to a speed of 10 m/s in 3 s, what average power is generated?

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  1. Power=w/t=f*d/t= f*∆V

    Power== f*∆V=[(64kg)(9.8m/s^2)]*[(10m/s-0m/s)/3s]=???

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  2. Work = Change in kinetic = 0.5M*V^2.
    P = W/t = 0.5M*V^2/t = (0.5*64*10^2)/3 = 1067 J/s. = 1067 Watts.

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