15.7.2. Loads 1 and 2, m1 = mass of 2 kg and m2 = 1 kg suspended from the ends of flexible filaments thrown through the block. Determine the velocity of the load 1 at a time when he sat down to a height h = 3 m. Of cargo movement starts from standstill.

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(Chapter 3 - Dynamics theme - 15.7: The theorem of change of kinetic energy of the mechanical system) from 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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