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A body is moving in a circular path with...

A body is moving in a circular path with acceleration a. If its speed gets doubled, find the ratio of centripetal acceleration after and before the speed is changed

A

`1:4`

B

`2:1`

C

`4:1`

D

`3:1`

Text Solution

Verified by Experts

The correct Answer is:
C

`(a_(2))/(a_(1)) =((v_(2)^(2))/(r ))/((v_(1)^(2))/(r ))=((2v)/(v))^(2) =4`
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