Inches of water x 0.03613 equals pounds per square inch (psi).
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10" Water Column equals about .4 Pounds per Square Inch or 0.36127291827412783psi exactly.
28,000 square feet x (8.5 inch / 12 inch per foot) = 19,833.3 cubic ft19,833.3 cubic ft x 62.38 pounds per cubic foot = 1,237,203 pounds1,237,203 pounds / 2,000 pounds per ton = 618.6 tons
First, convert acres to square feet . . . 43,560 sq ft. Then, convert 43,560 sq ft to sq inches . . . 43560 x 144 = 6,272,640 sq inches Then multiply that area by the 1 inch depth . . . 6,272,640 x 1 = 6,272,640 cubic inches of volume.
I assume you mean 1 and 3/4 inches in diameter. Therefore your cross-sectional area of your hose is pi/4*diameter. You can either leave your diameter in inches or convert it to feet. If you choose to leave you number in inches then you convert 100 ft to 1200 in and multiple 1200*cross-sectional area to get the cubic inches water in the hose. If you choose to convert your diameter to feet then just multiply 100 ft times cross-sectional area to get the cubic ft of water in the hose.
Yes so long as you know the weight of a given liquid. For example 1 gallon of water = 8 lbs