![Water | Free Full-Text | Numerical Analysis on Hydraulic Characteristics of U-shaped Channel of Various Trapezoidal Cross-Sections Water | Free Full-Text | Numerical Analysis on Hydraulic Characteristics of U-shaped Channel of Various Trapezoidal Cross-Sections](https://www.mdpi.com/water/water-10-01788/article_deploy/html/images/water-10-01788-g001a.png)
Water | Free Full-Text | Numerical Analysis on Hydraulic Characteristics of U-shaped Channel of Various Trapezoidal Cross-Sections
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2.An open U tube of uniform cross section contains mercury. If 27.2cm of water column is poured into one limb of the tube,how high does the mercury surface rise in the other
![Physics Reference: A U-tube has one arm of area of cross-section A and the other of cross-section 4A. Physics Reference: A U-tube has one arm of area of cross-section A and the other of cross-section 4A.](https://3.bp.blogspot.com/-oBqBlElc6Wc/XKJYu_5grZI/AAAAAAAAKMU/ytJz6qqhE-8bd7JAB4qIblOXWyIE6MDowCLcBGAs/s1600/nov2015p13q19-u-tube-arm-area.png)
Physics Reference: A U-tube has one arm of area of cross-section A and the other of cross-section 4A.
![A U-tube of uniform cross section (see figure) is partially filled with a liquid I. Another liquid - YouTube A U-tube of uniform cross section (see figure) is partially filled with a liquid I. Another liquid - YouTube](https://i.ytimg.com/vi/_4KQbBKzLI0/maxresdefault.jpg)