Physicsmedium · Past Paper
A man of 60 kg climbs up 20 m. If he takes 10 seconds, what is his power? (g = 10 m/s^2)
A120 W
B1200 W
C600 W
D12000 W
✓ Correct Answer: B — 1200 W
Work = mgh = 60 * 10 * 20 = 12000 J. Power = Work / time = 12000 / 10 = 1200 Watts.
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