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A force of 3.14 N is required to drag a ...

A force of `3.14 N` is required to drag a sphere of radius `4 cm` with a speed of `5 ms^(-1)` in a medium in gravity free space. Find the coefficient of the viscosity of the medium.

Text Solution

Verified by Experts

`F=6pietarv`
`eta=F/(6pirv)=3.14/((6)(3.14)(4)(5xx10^(2)))=8.3xx10^(-5)`poise
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