In a Section of Horizontal Pipe with a Diameter of 3.0

Multiple Choice

In a section of horizontal pipe with a diameter of 3.0 cm,the pressure is 100 kPa and water is flowing with a speed of 1.5 m/s.The pipe narrows to 2.0 cm.What is the pressure in the narrower region? Treat the water as an ideal incompressible fluid.

A) 95 kPa
B) 48 kPa
C) 44 kPa
D) 230 kPa
E) 67 kPa