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Ball A has a mass of 100 kg; it is traveling to the right at 6.2...

Ball A has a mass of 100 kg; it is traveling to the right at 6.2 m/s. Ball B has a mass of 120 kg; it is traveling to the left at 4.7 m/s.(a) Assume an inelastic collision (they stick together). Determine velocity at which the two move off together. Give speed and direction. Pay attention to the + and – signs.(b) Assume they have a perfectly elastic collision. Determine the speeds and directions of each of the balls.

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