A vertical tube, closed at one end, is immersed in water. A column of air is trapped inside the tube. O O O O A C B water D 20.0 cm The density of water is 1000 kg m-³. What is the difference between the pressure of the air in the tube and the atmospheric pressure? A 1960 Pa B 2940 Pa C 4910 Pa D 7850 Pa 30.0 cm 30.0 cm air vertical tube water surface

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