That\'s right! The average velocity at any location in a stream can be estimated

Question

That's right! The average velocity at any location in a stream can be estimated by measuring the velocity at six-tenths of the depth of the stream at that location. This is called the six-tenths rule.

If the stream is 3.2 meters deep, the average velocity at that spot can be estimated by measuring the velocity at 3.2 m times 0.6, which equals 1.92 m

Answer these questions.

meters

2. Same questions as above, but for a stream that's 2.0 meters deep.

1. At what depth should a velocity sensor be placed to estimate a stream's average velocity if it's 12.5 meters deep?

meters

2. Same questions as above, but for a stream that's 2.0 meters deep.

meters

Explanation / Answer

Depth = 12.5 meters

12.5 * 0.6

7.5

So, the sensor must be placed 7.5 meters deep....

---------------------------------

Depth = 2 meters

2 * 0.6

1.2

So, in this case, the sensor must be placed 1.2 meters deep

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