a boy of mass 40 kg climbs 10 stairs of a staircase each of height 10 – InterviewSolution

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1.	a boy of mass 40 kg climbs 10 stairs of a staircase each of height 10 cm. calculate the potential energy the boy possesses at the 10th step.
Answer» m = 40 kgg=9.8h = 10 ×0.01Explanation:you can CALCULATE the POTENTIAL ENERGY which comes out to 3.92J

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