Mathematics · Fluid Mechanics
The velocity distribution of a fluid flow over a flat plate is given by the equation u = 3 + 0.5y - y2 (where y is the vertical distance from the plate surface in meters). Find the value of shear stress at a vertical distance of y = 0.2 m, if the dynamic viscosity of the fluid is 0.7 N·s/m2.
- 10.28 N/m2
- 20.10 N/m2
- 30.07 N/m2✓
- 40.14 N/m2
Correct answer
0.07 N/m2
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