Mercury is poured into communicating vessels, and on top of it, a column of oil with a height of h1 = 48 cm is poured into one vessel, and a column of kerosene with a height of h2 = 20 cm is poured into the other. Determine the difference in the levels of mercury in both vessels. Density of oil p1 = 0.9 • 103 kg/m3, kerosene p2 = 0.8 • 103 kg/m3, mercury p3 = 13.6 • 103 kg/m3.
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