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physics

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Jessie exerted a force of 400N to move a box across the floor to a distance of5m in 4sec. What is his power is kilowatts? Megawatts? Horsepower?

  • physics - ,

    P = F * d/t = 400 * 5/4 = 500 Watts =
    0.500 Kw = 5*10^-4 Megawatts.

  • physics - ,

    Hp = 500Watts/746Watts/Hp = 0.67.

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