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A man weighing 200 N runs up a staircase in 5s. If the height of...

Physics
WAEC 2021

A man weighing 200 N runs up a staircase in 5s. If the height of the staircase is 9 m, calculate the power of the man.   

  • A. 1000 W
  • B. 360 W
  • C. 40 W
  • D. 1800 W
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Correct Answer: Option B
Explanation

power = \(\frac{force * distance}{time}\) →  \(\frac{200 *  9}{5}\)

power = 36w

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