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A metal sphere of radius 1 mm falls vert...

A metal sphere of radius 1 mm falls vertically in glycerine Find the viscous force exerted by the glycerine on the sphere when the speed of the sphere is `1cm^(-1)` For glycerine . `eta=8.0 `poise .

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The correct Answer is:
`1.5xx10^(-4)N`
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