15.4.8. A uniform rod AB of length 2m and m = mass of 6 kg, while moving to slide the ends A and B on the horizontal and vertical planes. To determine the kinetic energy of the rod at the time when the angle α = 45 ° and the speed of the point A is vA = 1 m / s.

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(Chapter 3 - Dynamics theme - 15.4: The kinetic energy of a rigid body) of a collection of short Reshebnik problems 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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