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Homework Statement
The problem is if i have a barrel of water, and at the bottom there is a pipe sticking out going horizontally (leading to an open end), how do i determine the pressure difference?. I think I am right in saying the pressure at the end of the pipe would be pressure from the atmosphere, but its the other end that confuses me
Homework Equations
f=(πPr^4)/(8ηL)
The Attempt at a Solution
I think it could be found via finding the mass of the water in the barrel, then with the area of the pipe use p=f/A