1.

Which of the following equations is true for a wide rectangular channel?

A. ( frac{dy}{dx} = S_0 frac{(1-( frac{y}{y_n})^3)}{1-( frac{y}{y_c})^3} )
B. ( frac{dy}{dx} = S_0 frac{(1-( frac{y}{y_n})^3)}{1-( frac{y_c}{y})^3} )
C. ( frac{dy}{dx} = S_0 frac{(1-( frac{y_n}{y})^3)}{1-( frac{y_c}{y})^3} )
D. ( frac{dy}{dx} = S_0 frac{(1-( frac{y_n}{y})^3)}{1-( frac{y}{y_c})^3} )
Answer» D. ( frac{dy}{dx} = S_0 frac{(1-( frac{y_n}{y})^3)}{1-( frac{y}{y_c})^3} )


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