Question

Is the pressure of a one foot square column of water 100 ft high at a one square inch opening 43 psi or 6240 psi

Answer 1

It is helpful to know that one cubic foot of water weighs 62.4 lbs. and that pressure only depends on the height of the column not area.

Answer 2

So a 100' column of water is what pressure?

Answer 3

If you have a cube of water with one foot on a side the pressure at the bottom is .4333 lbs. per sq. in.