Calculate velocity gradients and shear stress for \(y=0,0.2\), 0.4 , and \(0.6 \mathrm{~m}\), if the velocity profile is a quarter-circle having its center \(0.6 \mathrm{~m}\) from the boundary. The fluid viscosity is \(7.5 \times 10^{-4} \mathrm{Ns} / \mathrm{m}^{2}\).

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0.6 m 10 m/s P2.36