Water flows in a rectangular channel at $1\mathrm{.}6$ m$3$s$-1$ per m width and a speed of $4$ ms$-1.$ a$.$ What is the minimum height at which a weir structure would to cause a hydraulic jump?$[261$ mm$]$b$.$ What would be the water depth downstream of such structure?$[960$ mm$]$c$.$ Would there be a hydraulic jump if the downstream depth $($y$2)$ were higher than the one you calculated? And if it were lower? d$.$ How would the standing wave be affected in both cases mentioned in part c$?$