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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 upon the distance S as `K=betaS^2` , where `beta` is a constant. Tangential acceleration of the particle is proportional to

A

S

B

`SsqrtS`

C

`sqrtS`

D

`frac{1}{sqrtS}`

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