The velocity distribution of a viscous liquid (dynamic viscosity = 0.9 Ns/m) flowing over a fixed...

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The velocity distribution of a viscous liquid (dynamic viscosity = 0.9 Ns/m) flowing over a fixed plate is given by v = 0.68y -y (v is velocity in m/s and y is the distance from the plate in m). What are the shear stresses at the plate surface and at y=0.34 m? The velocity distribution of a viscous liquid (dynamic viscosity = 0.9 Ns/m) flowing over a fixed plate is given by v = 0.68y -y (v is velocity in m/s and y is the distance from the plate in m). What are the shear stresses at the plate surface and at y=0.34 m?