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A body crosses the topmost point of a ve...

A body crosses the topmost point of a vertical circle with a critical speed. Its centripetal acceleration, when the string is horizontal will be

A

6g

B

3 g

C

2 g

D

g

Text Solution

Verified by Experts

The correct Answer is:
B
when string is horizontal
`v = sqrt(3gR), a = v^(2)/R = 3g`
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