A boy weighing 40 kgf climbs up a stair of 30 steps each 20 cm high in – InterviewSolution

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1.	A boy weighing 40 kgf climbs up a stair of 30 steps each 20 cm high in 4 minutes and a girl weighing 30 kgf does the same in 3 minutes.Compare: (i)the work done by them.and (ii)the power developed by them .
Answer» SOLUTION :(i) 4:3 ,(II)1:1

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