Task id12792

Task id12792

A block of copper having a temperature of 273° K and a block of aluminum of the same volume with a temperature of 373 ° K are placed together, and their temperatures are equalized. What will be the relative change in total volume? The densities, specific heat capacities and linear expansion coefficients of copper and aluminum are equal, respectively: p1 = 8.5 g/cm3, c1 = 376 J/kg deg, a1 = 1.7 10-5 1/deg; p2 = 2.6 g/cm3, c2 = 920 J/kg deg, a2 = 2.3 10-5 1/deg.

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