Water is flowing on a horizontal fixed surface, such that its flow velocity varies with y (vertical direction) as v = k ({2y^2}/a^2 - y^3/a^3). If coefficient of viscosity for water is h, what will be shear stress between layers of water at y =a.

BITSAT 2015 Paper

Section: Physics

Question : 23 of 150

Marks: +1, -0

Water is flowing on a horizontal fixed surface, such that its flow velocity varies with y (vertical direction) as
v = k (

2y2

−

). If coefficient of viscosity for water is h, what will be shear stress between layers of water at y =a.

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