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25-12-2023
Physics

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Две тележки движутся вдоль одной прямой в одном направлении. Массы тележек т и 2m, скорости соответственно равны 2v и v. Какой будет их суммарный импульс после столкновения?

A) mv
Б) 2mv
B) 3mv
Г) 4mv

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