Water is flowing at 4.0 m/s in a circular pipe. If the diameter of the pipe decreases to 1/2 its former value, what is the velocity of the water downstream?
A) 1.0 m/s
B) 2.0 m/s
C) 8.0 m/s
D) 16 m/s
E) 4.0 m/s

Question

Quizplus · Accepted Answer

According to the principle of continuity for incompressible fluids, the flow rate must remain constant. If the diameter is halved, the cross-sectional area is reduced to one-fourth. Therefore, the velocity must increase by a factor of four to maintain the same flow rate, resulting in a velocity of 16 m/s.

Water Is Flowing at 4