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## Homework Statement

Mass1 has velocity1 = 10 m/s heading toward Mass2 of velocity2 = 5 m/s in the same direction. Mass1 collides with Mass2 in an elastic collision. What are their final velocities?

## Homework Equations

Require solving the conservation of mass AND the conservation of Kinetic Energy together.

## The Attempt at a Solution

I got the answer in the back of the book, but it sure ought to be simpler to do. That's my question. Is there a simpler way?