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college: physics

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A 4.00 102-kg piano is being lifted at a steady speed from ground level straight up to an apartment 16.0 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 102 W. How much time does it take to lift the piano?

  • college: physics -

    .4856sec .48567 if you use 9.81 for g

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