Задача 10355.

Bullet mass 5 g, flying horizontally at a speed of 500 m / s, hits a ball weighing 0.5 kg, suspended on a lightweight rigid rod and stuck therein. At what limit the length of the rod (from the point of suspension to the center of gravity of the ball) the ball after the impact of the bullet makes a complete revolution around the axis of rotation?

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