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# Pressure Change Problem for Descending Vertical Pipe

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Water is descending in a vertical pipe of diameter 8 cm. At a certain level the water flows into a smaller pipe of diameter 1.2 cm. At a certain instant the gauge pressure of the water at a point 80 cm above the narrowing point is 86.6 kPa and the water there is moving at 94 cm/s. What is the gauge pressure of the water just above the narrowing point? What is the pressure change across the narrowing point?

https://brainmass.com/physics/properties/pressure-change-problem-descending-vertical-pipe-407133

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The solution is attached below in two files. the files are identical in content, only differ in format. The first is in MS Word format, while the other is in Adobe pdf format. Therefore you can choose the format that is most suitable to you.
Bernoullie's equation is:
(1.1)
Where v is the speed at height z above a reference point, p is the pressure at that point, r is the density of the liquid ...

#### Solution Summary

The expert examines the pressure change problems for descending vertical pipes.

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