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physics

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How long will it take a 1030 W motor to lift a 330 kg piano to a sixth-story window 13.0 m above?

  • physics -

    Power(W) * Time(seconds) = Work (Joules)

    The Work is M*g*H
    H = 13.0 meters, the height it must be lifted

    Now you can finish the calculation of Time required

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