Two ice skaters stand face to face and "push off" and travel directly away from each other.  The boy has a velocity of 5 m/s and he weighs 750 N.  The girl weighs 480 N.  What is the girl's velocity?

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Q: velocity

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Q: Two ice skaters stand together as illustrated in Figure (a) below. They "push off" and travel…

A: Hence we get the speed of the girl is vh = 1.086 m/s directed to the right.