Peter’s body supplies a force of 500 N to run up a 10-m hill in 10 s. How much power is involved in Peter’s run up the hill?

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11-01-2017
Physics

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Peter’s body supplies a force of 500 N to run up a 10-m hill in 10 s. How much power is involved in Peter’s run up the hill?

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AL2006 AL2006 · Answer 1 · 2017-01-11T06:11:13+01:00

   Work done = (weight) · (height)

   = (500 N) · (10 m)

   = 5,000 joules

   Power = (work done) / (time to do the work)

   = (5,000 joules) / (10 s)

   = 500 joules/sec

   = 500 watts