An Ideal Incompressible Fluid Flows at 12 M/s in a Horizontal

Multiple Choice

An ideal incompressible fluid flows at 12 m/s in a horizontal pipe. If the pipe widens to twice its original radius, what is the flow speed in the wider section?

A) 4.0 m/s
B) 6.0 m/s
C) 3.0 m/s
D) 12 m/s