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## Homework Statement

Give equation change of kinetic energy in collision :

Q = 1/2 μ v

^{2}(1-e

^{2})

Proof that for both energy kinetic of particle is loss after the collision?

## Homework Equations

e = (V

_{2 finish}- V

_{1 finish}) / (V

_{1 initial}- V

_{2 initial})

μ = reduced mass = (m1.m2) / (m1+m2)

v = v

_{1inital}- v

_{2initial}

## The Attempt at a Solution

k

_{1init}= ...

k

_{2init}= ...

k

_{1finish}= ...

k

_{2finish}= ...