Why is the height of point 2 same as point 3?

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SUMMARY

The discussion centers on the observation that the height of point 2 is the same as point 3 in a turbine setup, attributed to minimal height differences. It is established that for small height variations, alternative turbine types are typically employed. The absence of the "≈" symbol in the context of these height differences raises questions about the precision of the measurements or assumptions made in the analysis.

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Homework Statement


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Homework Equations


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The Attempt at a Solution


Is it an assumption because the difference in height is small?
 

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With a setup as shown height differences within the turbine are very small.
For smaller height differences, other types of turbines are used.
 
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I wonder why it didnt use "≈", thank you!
 

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