A particle of mass m is placed on the center of a fixed uniform semi-circular ring of radius R and mass M as shown. Then work required to displace the particle slowly from center of ring to infinity is: (Assume only gravitational interaction of ring and particle)
A
B
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Text Solution
Verified by ExpertsThe correct answer is:
A
U i = 
and U f = 0
∴ W = Δ U = 
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