aomoloju4490 aomoloju4490
  • 17-10-2022
  • Physics
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two balls collide head-on in an elastic collision. the first ball has a mass of 3.1 kg and speed of 11 m/s in the negative x direction. the second ball has a mass of 2.4 kg and a speed of 21 m/s in the positive x direction.

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