A âUâ shaped tube (with a constant radius) is filled with water andoil as shown. The water is a height h1 = 0.39 m above the bottom ofthe tube on the left side of the tube and a height h2 = 0.14 mabove the bottom of the tube on the right side of the tube. The oilis a height h3 = 0.32 m above the water. Around the tube theatmospheric pressure is PA = 101300 Pa. Water has a density of 1000kg/m3. 1)What is the absolute pressure in the water at the bottom of thetube?
2)What is the absolute pressure in the water right at theoil-water interface?
3)What is the density of the oil?
Now the oil is replaced with a height h3 = 0.32 m ofglycerin which has a density of 1261 kg/m3. Assume theglycerin does not mix with the water and the total volume of wateris the same as before.
4) Now what is the absolute pressure in the water at theinterface between the water and glycerin? 5)How much higher is the top of the water in the tube compared tothe glycerin? (labeled d in the diagram)
6)What is the absolute pressure in the water at the very bottomof the tube?
