What is the potential energy of the body of 5kg, when it is lifted through 20m?
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3
Answer:
980J
Explanation:
given that,
mass of the body,m =5kg
height raised,h=20m
acceleration due to gravity is not given,so we have to take
acceleration due to gravity=9.8m/s²
potential energy of the body,
P.E=mgh
=(5)(9.8)(20)
=980J
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