Problem

The average concentration of a substance (g/m3) in a lake where the area As(m2) varies wit...

The average concentration of a substance (g/m3) in a lake where the area As(m2) varies with depth z(m) can be computed by integration:

where Z = the total depth (m). Determine the average con­centration based on the following data:

z,m

0

4

8

12

16

A,106 m2

9.8175

5.1051

1.9635

0.3927

0.0000

c,g/m3

10.2

8.5

7.4

5.2

4.1

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Solutions For Problems in Chapter 17