學士後西醫物理及化學題庫下載題庫

43. Ethanol of density ?? flows smoothly through a horizontal pipe that tapers in cross-sectional area from A₁ to A₂ (A₁ = 2A₂) as shown in the figure. The pressure difference between the wide and narrow sections of pipe is ∆P. What is the volume flow rate of the ethanol?

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