A liquid of density rho and coefficient ...

A liquid of density `rho` and coefficient of viscosity `eta`, flows with velocity `upsilon` through a tube of diameter D. A quantity `R = (rho upsilon D)/(eta)` determines whether the flow will be streamlined or turbulent. R has the dimension of

velocity

acceleration

force

none of these

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D MUKHERJEE-PROPERTIES OF MATTER,FLUIDS-Type 2

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