ok im working on a problem and want to know if my setup is correct, can someone check it out and let me know..thanks alot. here is a copy of my work. IMG.pdf
A slice of gasoline perpendicular to the y-axis could be approximated by a right rectangular prism with dimensions 2x, 4 and dy.
F=(density of gasoline)(volume)
In the coordinate system a point that is 5 above the top of the tank would have y-coordinate 6.5
The distance the slice would have to travel is 6.5-y