A) mgR
B) \[\frac{1}{2}mgR\]
C) 2 mgR
D) \[\frac{1}{4}mgR\]
Correct Answer: B
Solution :
\[\Delta U=\frac{mgh}{1+\frac{h}{R}}=\frac{1}{2}mgR\,\,(\because \,\,\,h=R)\]You need to login to perform this action.
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