What is the post-impact speed of the first ball

Reference no: EM13564052

Two billiard balls, one heading north at 15.0 m/s and a secondheading south at 10.0 m/s, collide head-on. Take the collision tobe perfectly elastic and choose the positive direction north.

What is the post-impact speed of the first ball?
What is the post-impact speed of the second ball?

Reference no: EM13564052

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