Step 1:
We start with the Poiseuille's equation for flow in a tube, which is given by:
\[Q = \frac{\Delta P \cdot \pi \cdot R^4}{8 \cdot \eta \cdot L}\]
where \(Q\) is the volumetric flow rate, \(\Delta P\) is the change in pressure, \(R\) is the radius of the
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