14 A ball of radius r and density P falls freely under gravity through a distance h before entering water Velocity of ball does not change even on entering water If viscosity of water is n, the value of h is given by h 2 (a) g (b) 81 g 2 4 P 4 P (c) 81 (d) 9 14 A ball of radius r and density P fal...

The ball is freely falling under gravity So when the ball touches the wate ...

14. A ball of radius r and density P falls freely under gravity through a distance...

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