1. Two ice skaters stand together. They "push off" and travel directly away from each other, the boy wiath a velocity of 0.75 m/s toward east and the girl with a velocity of 0.90 m/s toward west. If the mass of the boy is 70.0 kg, what is the girl's mass?
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s toward west. If the mass of the boy is 70.0 kg, what is the girl's mass?
Answer: