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Physics, 14.12.2021 21:00 aspenbaxter201634
On an ice skating rink, a girl of mass 50 kg stands stationary, face to face with a boy of mass 80 kg. The children push off of one another, and the boy moves away with a velocity of 3 m/s. What is the final velocity of the girl? â€"1. 9 m/s 1. 9 m/s â€"4. 8 m/s 4. 8 m/s.
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On an ice skating rink, a girl of mass 50 kg stands stationary, face to face with a boy of mass 80 k...
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