23.1.12. Body weight variable m = 310 (1 + 0,03 t) only moves under the influence of the reactive force. At time t = 0 to define the desired speed of the particles acceding to acceleration of the body is equal to 27 m / s2. (900)

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(DYNAMICS, Chapter 23 - impact theory section - 23.1: variable-mass system) 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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