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=as^2`. The force acting on the particle is

`2a(s^(2))/(R )`

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

`2as`

`2a`

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