A uniform solid cylinder of density 0.8g/cm3 floats in equilibrium in a combination of two non-mixing liquids A and B with its axis vertical. The densities of liquids A and B are 0.7g/cm3 and 1.2g/cm3, respectively. The height of liquid A is hA=1.2cm. The length of the part of the cylinder with liquid B is hB=0.8cm and h=.2cm. If
h, the length of part of the cylinder in air is
x4cm. Find
x.
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