Steel cube density of 7.8 g / cm ^ 3 is floating in mercury (the density of 13.6 g / cm ^ 3). Over mercury filled with water so that it covers the thin layer of the cube. What is the height H of the layer of water? The length of the cube edge a = 10 cm. Determine the pressure p at the bottom of the cube.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.