The body moves along the horizontal surface and the point A comes off from it. Determine the minimum velocity of the body at the moment of separation, if the radius R = 6 m.

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(Chapter 3 - Dynamics theme - 13.1: Defining the parameters of curvilinear motion by the given forces) from 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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