14.2.24. Determine the projection on the y-axis of the momentum vector of the main system two material points whose masses m1 = 4 kg, m2 = 2 kg at the time when their velocities v1 = 2 m / s, v2 = 1 m / s.

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(Chapter 3 - Dynamics theme - 14.2: Number of motion pulse power.) From Reshebnik to the collection of short theoretical mechanics Kep tasks OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
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