A projectile weighing 8 kg in horizontal flight with a speed of v = 250 m / s at a height of h = 30 m exploded into 2 fragments. The smaller of them, weighing m1 = 2 kg, flew vertically upward at a speed of v1 = 100 m / s. How far apart will the debris fall? Neglect air resistance.

Detailed solution with a short recording of the conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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