The velocity $v(\frac{m}{s})$ of air flowing past a flat surface is measured at several distances $y(m)$ away from the surface. Use Newton's viscosity law to determine the shear stress $(\frac{N}{m^2})$ at the surface $)=(0,$

$=\frac{du}{dy}.$

Assume a value for the dynamic viscosity $=1\mathrm{.}8{10}^{-5}N*\frac{s}{m^2}.$

$\backslash$table$[[y(m),0,0\mathrm{.}002,0\mathrm{.}006,0\mathrm{.}012,0\mathrm{.}018,0\mathrm{.}024],[u(\frac{m}{s}),0,0\mathrm{.}287,0\mathrm{.}899,1\mathrm{.}915,3\mathrm{.}048,4\mathrm{.}299]]$