Задача 11016.

At the tops of the cube, made of weightless rods 20 cm long, there are the same small loads weighing 0.3 kg. Find the kinetic energy of this system as it rotates relative to the main diagonal of the cube at a frequency of 5 rev / s.

A detailed solution with a brief description of the condition, formulas and laws used in the solution, the derivation of the formula and the answer.
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