How to Find Pressure at Various Points in a Liquid-Filled Tank with a Tube?

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To determine the pressure at various points in a liquid-filled tank with a tube, Bernoulli's equation and the continuity equation are essential. The pressure at the liquid surface is influenced by atmospheric pressure, while the pressure at the bottom of the tank can be calculated using the liquid's density and depth. As the tube expands and bends, the fluid's velocity changes, affecting the pressure at points along the tube. Applying these principles allows for the calculation of pressures at points 1, 2, 3, and 4. Understanding these concepts is crucial for solving the problem effectively.
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Homework Statement


A tank is filled to the depth h1 with a liquid with mass density p Over the liquid surface is an atmospheric pressure po. From the bottom of the tank there`s a tube with cross-sectional area of ​​S. Tube expands to double cross-sectional area 2S while bending up to the height h4. Out of the pipe the fluid flows with velocity v.

Find the pressure in 1, 2, 3 and 4


Please help on getting started?
 

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Use Bernoulli's equation and continuity equation.
 
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