Task 10445.
Rod 1m and 1 kg can rotate around a horizontal axis passing through its upper end. At the other end of the rod falls horizontally flying bullet weighing 5 g and get stuck in it. Find the initial kinetic energy of the bullet, if the rod is deviated 30 °.
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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