   Chapter 14, Problem 1PA

Chapter
Section
Textbook Problem

A measured cross section of a stream has a width of 6.5 meters, a depth of 2.5 meters, and a flow velocity of 2.0 meters per second. What is the area of the cross section? What is the stream discharge at the cross section?

To determine

The area of cross section and stream discharge at the cross section of the stream.

Explanation

Given info:

The width of the stream cross section is given as 6.5meters, the depth as 2.5meters, and the flow velocity as 2m/s.

The cross-sectional area can be calculated by applying the following equation:

Cross sectional area=Width×Depth

Substitute the value of width as 6.5meters and depth as 2.5meters in the above equation.

Cross-sectional area=6.5meters×2.5meters=16.25m2

Now in order to find the flow velocity, the formula given below may be applied

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