For the channel cross section shown in figure below, a) Determine the critical depth (yc) if the discharge is 16.5 m3 /s. b) Calculate the critical bottom slope (Jc) for the discharge is 16.5 m3 /s if manning roughness coefficient is n=0.02. c) Draw the specific energy diagram for different y values if the discharge is 16.5 m3 /s. d) Calculate discharge (Q) if water depth: y=2m, bed slope: J0=0.001 and n=0.02.