Лаг1989 задача №3.40

Two balls are suspended on parallel threads of the same length so that they are in contact. Mass of the first ball m₁=0.2kg of the second m₂=0.2kg. The first ball is deflected so that its center of mass rises to a height h = 4.5 cm, and released. To what height will each of the balls rise after the collision if the impact is perfectly elastic?

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