The kinetic energy of particle moving along a circle of radius R depends upon the distance s as k= as².Then the force acting on particle is

Options

(a) 2as²/R
(b) 2as [ 1 + s² / R² ]¹/²
(c) 2as
(d) 2a

Correct Answer:

2as [ 1 + s² / R² ]¹/²

Explanation:

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