- #1

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## Homework Statement

I am to find the mean time between collisions of electrons in a wire and am having a difficult time manipulating equations with known variables. I am given values for E, J, n and rowe.

## Homework Equations

v = (qT/m)*E

rowe = E/J

J = nqv

## The Attempt at a Solution

I have tried every possible combination of ways to manipulate this equation but I guess my problem is q. I don't think I know the value or can assume it and I can't cancel it out anywhere!