3 Evaluate the stress tensor Oij for each of the following flows. 1 (a) = V = W = - Z = X. 2 (b) = = p = 0, 11 2.V. p = 0, 11 = 0, , v = kx, w = 0 Gx, u = (2hy - y), v = 0, w = 0 y2 v 2 u V G (C) = = = - 9 = Sketch the velocity profile for (c) from y 0 to y = h. For part (c), find the surface stress fas a function of y, for a surface with normal vector n = (0, 1, 0)