A 2.5m tall steel has a cross sectional area of 1.5m2. At the bottom with a height of 0.5m is liquid water on top of which is a 1m high layer of gasoline. The gasoline surface is exposed to atmospheric air at 101 kPa. What is the highest pressure in the water?
"p=p_0+\\rho_1 gh_1+\\rho_2 gh_2,"
"p=101000+9.8\\cdot (570\\cdot 1+1000\\cdot 0.5)=113.3~\\text{kPa}."
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