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physics

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Which requires more power? lifting a 25 kg bag of cement 10 m vertically in 1 minute, or lifting a 50 kg bag 5?

  • physics -

    P = F*d/t = mg*d/t = (25*9.8) * 10/60 =
    40.83 J/s.

    P = 50*9.8 * 5/60 = 40.83 J/s.

    Both require the same power.

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