anonymous
  • anonymous
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?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Power =work/time Work=f*d 700N*6m=4,200 4,200/6s=700j
anonymous
  • anonymous
answer should be in Joules per second, since those are the units for power, energy (or work) over time.
shamim
  • shamim
Unit of power is also watt

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anonymous
  • anonymous
yes, Watt=Joules/seconds
anonymous
  • anonymous
power = force * velocity velocity=d/t ie 6/6=1 power=700*1 = 700 Watt
anonymous
  • anonymous
as power of moving objects is force into velocity
anonymous
  • anonymous
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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