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A metal ball of radius 2 mm and density ...

A metal ball of radius 2 mm and density `10.5g. Cm^-3` is dropped in glycerine of coefficient of viscosity `9.8 dyn. Cm^-2.s ` and density `1.5 g. cm^-3.` Find the terminal velocity (in cm. `s^-1.`) of the ball.

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