changes.mady.by.user Arthur Aslanyan (Nafta College)
Saved on Jul 11, 2020
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\frac{d p}{d l} = -\rho \, u \, \frac{d u}{d l} + \rho \, g \, \cos \theta + f_{\rm cnt, \, l}
j_m(l) = j_m = \rm const
\rho = \rho(p, T)