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2 cm diameter pipe gradually narrows to 4. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 35.0 kPa...
A 6.2 cm diameter pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 35.0 kPa and 24.0 kPa, respectively. What is the volume rate of flow?