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A particle moves with decreasing speed a...

A particle moves with decreasing speed along the circle of radius R so that at any moment of time its tangential and centripetal accelerations are equal in magnitude. At the initial moment , t =0 its speed is u.

The time after which the speed of particle reduces to half of its initial value is

A

`(2R)/u`

B

`R/u`

C

`R/(2u)`

D

`(3R)/(2u)`

Text Solution

Verified by Experts

The correct Answer is:
B
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