Author Question: The principle of continuity states that for fluid flow to be continuous it must A) speed up in ... (Read 88 times)

DelorasTo · **on:** Jul 29, 2018

The principle of continuity states that for fluid flow to be continuous it must

A) speed up in narrow regions of flow.
B) slow down in wide regions of flow.
C) both of these
D) neither of these

Question 2

Release a ball inside a freely falling elevator and it falls directly in front of you instead of falling to the floor, because you, ball, elevator, and enclosed air are in free fall. If you do the same with a helium-filled balloon, the balloon

A) also remain in front of you.
B) press against the ceiling.
C) press against the floor.
D) slowly rise.
E) slowly fall.