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Here is a pop quiz.
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I knock that one off when I get home. I can visualize the page with formulas.

 
At this point in your studies, you should be able to visualize Eli's formula...

 
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:facepalm:

Is it too late to change your depth section?

 
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Maybe I'll reconsider this whole thing. Thanks for the quiz ptatohed.

 
Well, I am an extra class ham radio operator. Maybe electrical is my thing. Will water and electrical mix?

 
mmmmm.... almost kinda. But I want more decimal places. Give me a few more digits m2. (use the formula, not the chart)
I actually got .0011 and used n=.014 (PPI water depth manual for "unfinished concrete")

 
mmmmm.... almost kinda. But I want more decimal places. Give me a few more digits m2. (use the formula, not the chart)
I actually got .0011 and used n=.014 (PPI water depth manual for "unfinished concrete")
It's probably the 'n'. The source I am using uses an n = 0.017 and gets an answer of S = 0.00169

 

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