Aking size waterbed has the following dimensions 72 in. x 84 in. x 9.5in. it takes 240.7 gallons of water to fill it, which would weigh 2071 pounds. what is the weight of a cubic foot of water?

Solution :

Given, A King Size waterbed has the following dimensions 72 in. x 84 in. x 9.5in. It takes 240.7 gallons of water to fill it, which would weigh 2071 pounds.

Volume of the King Size Waterbed, V = length X width X height

We know that,

Weight of  33.25 cubic foot water = 2071 pounds

Weight of  water in 1 cubic foot water =

Hence, Water weighs 62.29 pounds per cubic foot.

answer is:

1.75 pounds