Physics, asked by Praful1610, 1 year ago

A boy of mass 40kg climbs up a 18stairs each of high of 20cm . Calculate the change in potential energy

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Answered by Julliya

0

Change in potential energy = final potential energy - intial potential energy

ΔP.E. = P.E. (final) -0 [ P.E. intial is zero ]

P.E. FINAL= mgh

= 40×10×20/100×18

= 144 joules

Answered by mjlp12

0

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