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Work, Power and Energy: Power — Running MCQ

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Power — RunningMediumQuestion 30435

Question

A person of mass 60 kg climbs stairs (height 3 m) in 6 s. Power output is: (g = 10)
  1. A
    100 W
  2. B
    200 W
  3. C
    300 W
    Correct
  4. D
    600 W

Correct answer

300 W

Explanation

P = mgh/t = 60×10×3/6 = 1800/6 = 300 W.

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