ABSTRACT
One cubic foot of water weighs . lb.
_ gallons.
1 0 .7
1 0 .8
1 0 .9
1 0 .1 0
One cubic foot of water contains _______
Define head.
If the top of a tube is tightly capped and all of the air is removed from the sealed tube above the water surface, forming a ___________ vacuum, the pressure on the water surface inside of the tube will be ___________ psi.
