How to find the total momentum before and after a collision?

How do I determine the total momentum of this system?

  • I need to determine the total momentum of the system: A ball "A" is moving towards another ball "B" at 21.6m/s. Ball "A" strikes ball "B", and after this collision ball "A" moves at an angle 59 degrees from its previous vector at the speed of 11.76m/s, and ball "B" moves 18 degrees from its previous vector at the speed of 20.64m/s.. I need to find the momentum of the system using these velocities. this is all that was given in the problem. what is the momentum before and after the collision?

  • Answer:

    You need the masses to determine the momentum!

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