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Ques: If the velocity distribution over a plate is given by u = 2/3 y – y2 which v is the velocity in m/s at a distance y meter above the plate. The value of shear stress at y = 0 and y = 0.15m.

Take dynamic viscosity of fluid as 8.63 poise.

a)0.316 N/m2

b)0.212 N/m2

c)0.467 N/m2

d)0.593 N/m2

Solution:

Answer is a) 0.316 N/m^2

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