The velocity u of air flowing past a flat surface is measured at several distances y away from the surface. Fit a curve to this data assuming that the velocity is zero at the surface (y = 0). Use your result to determine the shear stress (μ du/dy) at the surface. (μ = 1.8 x 10^→5 N · s/m²)

C 002 0.287 0 024 y. in U. m/s 0.012. 0.006 0.018 3.048 0 899 1.915 4 299