Decision 23.1.11 of the collection (Reshebnik) Kep OE

Decision 23.1.11 of the collection (Reshebnik) Kep OE

23.1.11 m = variable mass body 415 (1 + at) moves under the action of thrust and only at time t = 0 is the acceleration of 32 m / s. Determine the factor a, if the relative speed Acceding particles is 380 m / s. (8.42 * 10-2)

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(DYNAMICS, Chapter 23 - Dynamics of a point of variable mass, paragraph - 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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