The viscocity eta(n) of a gas depends upon its mass (m) the effective diametre(D) nd the mean speed (v) of the molecules present in the gas Then derive between eta(n) and other quantity
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Hope its helps you.....
where rho is density of ball or object
and sigma is density of fluid
r is radius of ball
v is speed
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Susantsingh:
its very useful for mr once again Thnxxx
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