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The speed of a particle moving in a circ...

The speed of a particle moving in a circle slows down at a rate of `4 m//sec^(2)`. At some instant the magnitude of the total acceleration is `5 m/sec^(2)` and the particle's speed is 12 m/sec. The radius of circle will be :

A

48

B

30

C

15

D

25

Text Solution

Verified by Experts

The correct Answer is:
B
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