Question

The velocity distribution, in m/s near the solid
wall at a section in a laminar flow is given by
u = 5 sin(5ty). If u = 5 poise. The shear stress
at y = 0.05m, in N/m2 is
(a) 39.27
(b) 27.77
(c) 38.9
(d) 26.66​

Answer 1

Shear stress is 27.77 N/m2.