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## Homework Statement

Two particles, A, of mass 2M, and B, of mass M , whilst moving on a smooth horizontal

table in opposite directions with speeds of 5v and 3v respectively, collide directly.

Find their velocities after the collision in terms of v and the coefficient of

restitution e.

## The Attempt at a Solution

Since I am not given the co-efficient of restitution. It seems that all I have is the conservation of momentum equation. An equation with 2 unknowns, how is it possible to get the velocities in terms of v?