Czas wypływu v(z) = 2 gz dv = F0 2 gz dt dv = F(z)dz

- F(z)dz = µ0F0 2 gz dt

- F(z)dz = µF0 2 gz dt F ( z) dz dt=-

F

µ

2 gz

0

t

0

F ( z) dz

∫ dt = − d∫ µ

2

0

⋅ F

gz

z

0

0

1

F ( z) t = −

∫

dz

µ ⋅ F ⋅ 2 gz z

z