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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 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

2 Answers

2 votes

Answer:

C. –4.8 m/s

Step-by-step explanation:

I just took the exam.

User Navderm
by
4.6k points
3 votes

Answer:

Pretty sure its -4.8%

Step-by-step explanation:

Others asked this question and got this as an answer.

User Agtoever
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5.2k points