Questions
A body of mass m is taken from earth surface to the height h equal to radius of earth, the increase in potential energy will be
a
mgR
b
12mgR
c
2 mgR
d
14mgR
detailed solution
Correct option is B
ΔU=mgh1+hR=12mgR (∵ h=R)Talk to our academic expert!
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A shell of mass M and radius R has a point mass m placed at a distance r from its centre. The gravitational potential energy U (r) vs r will be
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