2.19 Calculate velocity gradients and shear stress for y=0, 0.2, 0.4, and 0.6 m, if the velocity profile is a quarter-circle having its center 0.6 m from the boundary. The fluid viscosity is 7 5×10⁻⁴ Ns m²

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The velocity profile is given by u m 10- 0.6 m 10 m/s P2.19 + + (0.06/m1) = =1