Water flows from under a sluice gate into a trapezoidal channel having $b=20ft,m=2,S_0=0\mathrm{.}0036,$ and $n=0\mathrm{.}025.$ The sluice gate is regulated to discharge $Q=400cfs$ with a depth equal to $0\mathrm{.}55$ ft at the vena contracta. Compute the flow profile. If a hydraulic jump occurs at the downstream end, starting with a depth of $1\mathrm{.}55$ ft $,$ determine the distance from the vena contracta to the foot of the jump.

Locate the hydraulic jump in the problem $4$ above if the flow downstream from the jump is uniform. If can use excel to calculate the data and draw of picture.