Q

Mohan has a mass of 40 kg and climbs 50 steps in 10 s. Each step is 15 cm high. Find his power. (g = 10 m/s²)

RRB ALP & Technician 14/08/2018 / Shift-II 2018
✓ Answer: C 300 W
Total height = 50 × 0.15 = 7.5 m. P = mgh/t = 40 × 10 × 7.5/10 = 300 W.
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