The speed of water flowing in a channel, such as a canal or river bed, is governed by the Manning Equation, V = 1.48642/351/2 p2/3n Here V is the velocity of the flow in ft/s; A is the cross-sectional area of the channel in square feet; S is the downward slope of the channel; p is the wetted perimeter in feet (the distance from the top of one bank, down the side of the channel, across the bottom, and up to the top of the other bank); and n is the roughness coefficient (a measure of the roughness of the channel bottom). This equation is used to predict the capacity of flood channels to handle runoff from heavy rainfalls. For the canal shown in the figure, A = 1925 ft2, S= 0.050, p = 102.4 ft, and n = 0.030. (Let b = 60 ft, b2 = 50 ft, h = 35 ft.) th - b2 - (a) Find the speed at which water flows through the canal. (Round your answer to three decimal places.) ft/s (b) How many cubic feet of water can the canal discharge per second? [Hint: Multiply V by A to get the volume of the flow per second.] (Round your answer to one decimal place.) 1,925 Xft/s
The speed of water flowing in a channel, such as a canal or river bed, is governed by the Manning Equation, V = 1.48642/351/2 p2/3n Here V is the velocity of the flow in ft/s; A is the cross-sectional area of the channel in square feet; S is the downward slope of the channel; p is the wetted perimeter in feet (the distance from the top of one bank, down the side of the channel, across the bottom, and up to the top of the other bank); and n is the roughness coefficient (a measure of the roughness of the channel bottom). This equation is used to predict the capacity of flood channels to handle runoff from heavy rainfalls. For the canal shown in the figure, A = 1925 ft2, S= 0.050, p = 102.4 ft, and n = 0.030. (Let b = 60 ft, b2 = 50 ft, h = 35 ft.) th - b2 - (a) Find the speed at which water flows through the canal. (Round your answer to three decimal places.) ft/s (b) How many cubic feet of water can the canal discharge per second? [Hint: Multiply V by A to get the volume of the flow per second.] (Round your answer to one decimal place.) 1,925 Xft/s
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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