2. Consider the flow of water over a flat plate with a free stream velocity of U = 0.8 m/s. The water density and kinematic viscosity are p = 998 kg/m^3 and v = 0.9 * 10^-6 m^2/s, respectively.
a) Calculate the boundary layer thickness at the end of the laminar boundary layer.
b) Calculate the wall shear stress at a point 0.01 m from the leading edge and at the end of the laminar boundary layer. Compare these shear stresses and explain the physical reason for the difference between them.