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A spherical glass ball of mass 1.34xx10...

A spherical glass ball of mass `1.34xx10^(-4)` kg and diameter `4.4xx10^(-3)` m atakes 6.4 s to fall steadily thorugh a height of 0.381 m inside a large volume of oil of specitic gravity 0.943 Calcualte the visosity ifoil.

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The correct Answer is:
0.8025 `Nsm^(-2)`
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