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anonymous

  • one year ago

If you exert a force of 700 N to walk 6 m up a flight of stairs in 6 s, how much power do you use?

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  1. anonymous
    • one year ago
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    Power =work/time Work=f*d 700N*6m=4,200 4,200/6s=700j

  2. anonymous
    • one year ago
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    answer should be in Joules per second, since those are the units for power, energy (or work) over time.

  3. shamim
    • one year ago
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    Unit of power is also watt

  4. anonymous
    • one year ago
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    yes, Watt=Joules/seconds

  5. anonymous
    • one year ago
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    power = force * velocity velocity=d/t ie 6/6=1 power=700*1 = 700 Watt

  6. anonymous
    • one year ago
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    as power of moving objects is force into velocity

  7. anonymous
    • one year ago
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    just a note: @Ann-Hybrid even when you get the same value with your approach, it may not be totally correct, since you are assuming the movement happens at constant velocity and that is not stated in the problem description.

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