14.3.18. The horizontal part of the path of the car moving two masses which m1 = 6 · 104 kg, m2 = 2 · 104 kg and the speed v1 = 1 m / s, v2 = 3 m / s. The second car catches up with the first and adheres to them. Neglecting the resistance movement, to determine the speed of cars after the clutch.

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(Chapter 3 - Dynamics theme - 14.3: The theorem of change of momentum) of Reshebnik to the collection of short tasks on the theoretical mechanics Kep OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
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