15.2.2. The rectilinear motion of a material point of mass m = 4 kg is given by the equation s = 4t + 2t2. To determine this point the kinetic energy at time t = 2

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(Chapter 3 - Dynamics theme - 15.2: The kinetic and potential energy of a material point) 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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