Author Question: As water in a confined pipe speeds up, the pressure it exerts against the inner walls of the pipe ... (Read 86 times)

tingc95 · **on:** Jul 29, 2018

As water in a confined pipe speeds up, the pressure it exerts against the inner walls of the pipe

A) increases.
B) decreases.
C) remains constant if flow rate is constant.
D) none of the above

Question 2

An inverted empty jar is pushed downward into water so that trapped air inside can't escape. As it is pushed deeper, the buoyant force on the jar

A) increases.
B) decreases.
C) remains the same.