Author Question: If air speed is greater along the top surface of a bird's wings, pressure of the moving air there is ... (Read 119 times)

Cooldude101 · **on:** Jul 29, 2018

If air speed is greater along the top surface of a bird's wings, pressure of the moving air there is

A) unaffected.
B) less.
C) more.
D) turbulent.

Question 2

A common 5-L metal can will float in air if it is

A) evacuated of air.
B) filled with a very large amount of helium.
C) thrown high enough into the air.
D) Nonsense Unless the can and displaced air weigh the same, the can can't float in air.