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Define potential Energy. Write expression for Potential Energy possessed by a body lifted tocertain height ‘h’. A person of 60kg climbs a stair case and reaches to a height of 4m. Calculate the potential energy hi acquired by the person. (take g = 10m/s2) |
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Answer» kJ · Here, m=60kg, HEIGHT h=10m. Work done W= change in potential energy =mgh−0=mgh=60×10×10=6000 J=6kJ · |
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