Fluid Mechanics Viscosity Question 305
Question: The relative velocity of two parallel layers of water is 8 cm/sec. If the perpendicular distance between the layers is 0.1 cm. Then velocity gradient will be
Options:
A) 80/sec
B) 60/sec
C) 50/sec
D) 40/sec
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ dv=8cm/s $ and $ dx=0.1cm $ Velocity gradient =$ \frac{dv}{dx}=\frac{8}{0.1}=80/s $
BETA
