Assignment Problem $2.$ Evaluate type of flow $($subcritical$/$supercritical$/$critical$)$ flow at $y_1$ and $y_2.Q=100cfs$ and $10$ ft wide rectangular channel. What would be the critical depth $(y_c)$ for this channel transition?

Calculate $F_{r1}$ and $F_{r2}$

$F_r>1$ supercritical

$y_c=(\frac{q^2}{g}{)}^{\frac{1}{3}},q=\frac{Q}{B}$

$F_r<mn>1</mn>$ subcritical

For rectangular channel