Question

A girl of mass 50 Kg, climds a flight of 100 stairs each measuring 0. in height , in 20 s. Find ( a ) Force acting on the girl ( b ) Work done by the girl ( c ) Gain in potential energy (d ) Power in ( i ) watts ( ii ) Horse power . [ Take g =10ms-2. , 1 HP =750 W ]

Answer 1

Answer:

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Explanation:

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