Physics, 05.05.2021 03:40, BallerAlert1644

Two people stand facing each other at a roller-skating rink then push off each other. If the girl skater has a mass of 30 kg and moves backward at 5 m/s, what is the velocity of the boy skater if his mass is 50 kg?

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Two people stand facing each other at a roller-skating rink then push off each other. If the girl sk...