Consider the flow past a circular cylinder, of radius a, used in Example 6.11. Show that Vr 5 0 along the lines (r, θ) 5 (r, 6π/2). Plot Vθ/U versus radius for r $ a, along the line (r, θ) 5 (r, π/2)....

Consider the flow past a circular cylinder, of radius a,

used in Example 6.11. Show that Vr 5 0 along the lines

(r, θ) 5 (r, 6π/2). Plot Vθ/U versus radius for r $ a, along the

line (r, θ) 5 (r, π/2). Find the distance beyond which

the influence of the cylinder is less than 1 percent of U.