1. A girl of mass 50 kg, climbs a flight of 100 stairs each measuring 0.25 m in height, in 20 s. Find
(a) Forge acting on the girl (h) Work done by the girl (c) Gain in potential energy (d) Power in
(i) Walls (1) Horse power. [Take g = 10 ms'; I HP = 750 W]
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There is answer in figure.
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See figure there is the solution
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Here's Your Answer Mate..
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