Hi,

this is physics, but it's the math that is a problem to me. Problem is added in pdf-file. Can anyone quide me from EQ1 to EQ2 and further to EQ3?

If I use a computer program it gives me arctan...

Thanks!

- Trond

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- Feb 25th 2010, 12:40 AM #1

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- Feb 25th 2010, 08:09 AM #2

- Feb 25th 2010, 10:17 AM #3

- Feb 25th 2010, 10:32 AM #4

- Feb 25th 2010, 12:09 PM #5

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EQ 2 and 3 are only the left side of EQ 1. Further I set the solution of the diff like right side of EQ 1. So g will be back in EQ 4.

Thanks, this helped me further on. (By the way, P is pressure. And the next steps will end up with a function of temperature with respect to z (after substitude with a gas law). z is height from sea level).