Ideal Incompressible Fluid Flows Through a 4

Multiple Choice

Ideal incompressible fluid flows through a 4.0-cm-diameter pipe at 1.0 m/s . There is a 2.0 cm diameter constriction in the line. What is the speed of the fluid in this constriction?

A) 2.0 m/s
B) 0.50 m/s
C) 4.0 m/s
D) 0.25 m/s