15.6.7. 1 Pendulum mass m and length l 2 and a uniform rod of mass m and length 2l released without initial velocity of the provisions specified in the figure. Specify number body, the center of mass velocity which is greater in the lower position.

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(Chapter 3 - Dynamics theme - 15.6 Theorem of the kinetic energy of a solid change) 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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