$($a$)$ At what depth will $50f\frac{t^3}{s}$ of water flow in a $6-$ft$-$wide rectangular channel lined with rubble masonry set on a slope of $1ft$ in $500ft?$

$($b$)$ Is a hydraulic jump possible under these conditions? Use Values of the Manning Coefficient.

$($a$)y=$

$ft$

$($b$)$ The hydraulic jump is