Question $1$: A tank with $8\mathrm{.}5$ m hieght and width $4$ m contain oil and $2$ m water. There is a steadily

inviscid flow out of the tank trhough a pipe with diameter $0\mathrm{.}2$ m and output nozzle of that pipe

with diameter $0\mathrm{.}1$ m $.$ It is required to compute: i$.$ The depth of water rise $($h$),$ ii$.$ The vilocity of

water in the pipe, iii, the pressure in the pipe.

Solution: