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
Correct Answer: B. 360 W
Explanation
power = \(\frac{force * distance}{time}\) → \(\frac{200 * 9}{5}\)
power = 36w
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