Physics
Physics, 30.11.2020 22:00, drewje12

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?

–1.9 m/s
+1.9 m/s
–4.8 m/s
+4.8 m/s

answer
Answers: 1

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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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