A trapezoidal channel with the dimensions shown in the figure below is laid on a slope of 0.003 ft/ft. The Manning's n value for the channel is 0.034, and the rate of flow through the channel is 866 cfs. Calculate and plot the water surface profile from the point where the channel ends (assume a free outfall) to the point where y is less than or equal to 0.9 yn. 1.5 B y 20' 1.5

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Time and time related variables in engineering

Time is the event progression starting from past to present and then, future statistically. The time-related variable is any particular value in relation to time to assess its changes on a specified (XY) plane.