A Horizontal Pipe Narrows from a Diameter of 10 to 5

Multiple Choice

A horizontal pipe narrows from a diameter of 10 to 5 cm.For a nonviscous fluid flowing from the larger diameter to the smaller,

A) the velocity and pressure both increase.
B) the velocity increases and the pressure decreases.
C) the velocity decreases and the pressure increases.
D) the velocity and pressure both decrease.
E) either the velocity or the pressure changes but not both.