14.2.12. radius R = 0,4 m disk rotates with angular velocity ω = 25 rad / s. On the rim of the disc moves the point M under the law s = 1 + 2t2. Determine the amount of movement of the unit at time point t = 2, if m = mass of 1 kg.

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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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