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## Homework Statement

If a particle of mass 5.6 kg is moving east at 10 m/s and a particle of mass 17 kg is moving west at 10 m/s, what is the speed of the center of mass of the pair?

## Homework Equations

Not sure how it would relate, but to find the center of mass = (m1x1 + m2x2)/(m1+m2)

## The Attempt at a Solution

I can't figure out where to start. Our homework does not come from our textbook, so our textbook doesn't have any relevant equations/solutions for this problem.