A small ball with a mass of 0.6 kg and a velocity of 12 m/s hits another ball with the same mass. The first ball stops moving, and the second ball then moves forward and hits a third ball with a mass of 0.2 kg. If the system is closed, what is the velocity of the third ball?

36 m/s

4 m/s

30 m/s

1.44 m/s

4 answers

Anyone?
36 m/s
<3
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The original person had to wait 2 years to get the answer.. wow I feel bad for them honestly
Answer is 36 m/s
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