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/s. The critical depth y for such a channel 2. Water is flowing in a trapezoidal channel at a rate of Q = 20 m
/s. The critical depth y for such a channel 2. Water is flowing in a trapezoidal channel at a rate of Q = 20 m must satisfy the equation 0=1-PR g where g = 9.81 m/s? Ac =the cross-sectional area (m), and B = the width of the channel at the surface (m). For this case, the width and the cross-sectional area can be related to depth y by B = 3+ y and Ac = 3y + Solve for the critical depth using a) the graphical method, b) bisection c) false position For b) and c) use the initial guess of X = 0.5 and xy = 2.5, and iterate until the approximate error falss below 1% or the number of iterations exceeds 10. Using Matlab or Excel, show your work
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