The projectile flies out of the gun straight up, rises

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The shell emits from the gun vertically upwards, rises to a maximum height of h = 1000 m and is broken into two pieces of mass m1 = 1 kg and m2 = 2 kg. The larger fragment of m2 continues to move vertically upward, and the smaller m1 flies down. Calculate the velocity of the fragments in a time t = 1 s after the discontinuity, if their total kinetic energy immediately after the discontinuity was 120 kJ.

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Task 10656. Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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