22.4.3. Strongly hooked ball after hitting on the plane at a speed of v1 = 4 m / s center of mass at an angle of incidence = 30 ° and bounces in the vertical direction at a speed of v2 = 2,5 m / s. Determine the normal pulse module Sn, if the mass of the ball m = 0,05 kg. (0.298)

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(DYNAMICS, Chapter 22 - impact theory section - 22.4: The action of impact forces to the rigid body, commits the plane-parallel movement) 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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