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The kinetic energy K of a particle movin...

The kinetic energy K of a particle moving along a circle of radius R depends on the distance covered s as `K=as^(2)`. The force acting on the particle is

A

`2as^(2)/(R)`

B

`2as(1+(s^(2))/(R^(2)))^((1)/(2))`

C

2as

D

`2aR^(2)/(s)`

Text Solution

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The correct Answer is:
B
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