Two small spheres a and b are moving towards each other as, Ask an Expert

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Two small spheres A and B are moving towards each other as indicated in the figure. The weights of spheres are W_A=9 [lb] and W_B=15 [lb]. The velocities of spheres immediately before the impact are v_A1=6 [ft/s] and v_B1=2 [ft/s]. Knowing that coefficient of restitution is e=0.8.

400_Two small spheres A and B are moving towards each other.png

Find: (a) velocity of sphere A after the impact, v_A2 [ft/s], (b) velocity of sphere B after the impact, v_B2 [ft/s], and (c) loss of energy during the impact.

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