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1 From the Phenomenology of Chemical Reactions …
Fig. 1.5 Top RHS panel: a three-shot stroboscopic view of the coplanar A + B repulsive collision
trajectory (two thin-solid lines occurring on a plane parallel to the X,Y axes of the (X, Y, Z) lab
frame) complete of the relative three r A (dashed dotted) and r B (dotted) shots and of the associated
three velocity vectors (bold arrows). The three shots of vector r are also shown as dashed lines.
LHS panel: the vector r represented in its (x,y,z) CM reference frame. Lower RHS panel: the three
shots of r shown in their sequence of occurrence in the (x,y,z) CM reference frame
• Repulsive interaction
• No interaction
• Attractive interaction
Fig. 1.6 Hypothetical trajectories of two bodies placed on the two parallel planes of their initial
position and velocity. Top panel: no interaction, central panel: repulsive interaction, lower panel:
attractive interaction
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