Question
a.
\(i=\frac{γ_w \overline{u}∂h}{∂z} \)
b.
\(i=\frac{\overline{u}∂h}{γ_w ∂z} \)
c.
\(i=\frac{\overline{u}∂h}{∂z} \)
d.
\(i=\frac{1}{γ_w}\frac{∂\overline{u}}{∂z} \)
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