The approximate answers to Prob. 7.11 are u 1.44 m/s and 0.0036 Pa at x = 50

The approximate answers to Prob. 7.11 are u ≈ 1.44 m/s and τ ≈ 0.0036 Pa at x = 50 cm and y = 5 mm. [Do not reveal this to your friends who are working on Prob. 7.11.] Repeat that problem by using the exact Blasius flat-plate boundary-layer solution.