Questions
A body of mass M is taken from the surface of the earth to a height equal to the radius fi of the earth. The change in gravitational potential energy is
a
2 MgR
b
MgR
c
MgR /2
d
MgR/4
detailed solution
Correct option is C
ΔUp=GMMe1R−1R+h=GMMe1R+12R=GMMe2R=M2GMeR2R=MgR2Talk to our academic expert!
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