A man of mass 86 kg climbs 40 steps of a staircase, each measuring \[15\,cm\] high. The potential energy gained by the boy is: \[[g=9.8\,m/{{s}^{2}}]\]

A man of mass 86 kg climbs 40 steps of a staircase, each measuring \[1

1.	A man of mass 86 kg climbs 40 steps of a staircase, each measuring \[15\,cm\] high. The potential energy gained by the boy is: \[[g=9.8\,m/{{s}^{2}}]\]
A.	5000 J
B.	5056.8 J
C.	6000 J
D.	500 J
Answer» C. 6000 J

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A man of mass 86 kg climbs 40 steps of a staircase, each measuring \[15\,cm\] high. The potential energy gained by the boy is: \[[g=9.8\,m/{{s}^{2}}]\]

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