$(9$pts$)$ Water flows in a wide rectangular channel at $q=8\mathrm{.}0\frac{m^3}{s}\frac{?}{m}$ and $y_1=0\mathrm{.}5m.$

$4$a$.(3$ pts$)$ Is hydraulic jump possible $($yes or no$)$ and justify.

$4$b$.(6$ pts$)$ If a hydraulic jump indeed happened, compute the energy loss $($in percentage$).$