Задача 10256.

At the tops of a cube made of weightless rods 20 cm long, there are weights of 0.3 kg each. Find the kinetic energy of this system as it rotates about the main diagonal of the cube with a frequency of 5 rpm.

A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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