(a) Derive an expression for pressure difference $\Delta \mathrm{p}$ in a pipe of diameter d and length 1 due to viscous flow depends on the velocity $V$, viscosity $\mu$ and density $\rho$ using Buckingham's $\pi$ theorem.
Explanation
The pressure difference is derived using Buckingham's $\pi$ theorem, which involves the given parameters: velocity $V$, viscosity $\mu$, density $\rho$, and diameter $d$. The derived expression is in terms of the given parameters.
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