(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Two electrons are 10-9m Apart when they are released.What is their speed when they are 10-8m apart?

2. Relevant equations

Ek=-EE

EE=Kq1q2

-------

r

3. The attempt at a solution

Ive tried 1/2mv^=-(Ke(squared) - Ke(squared)

------------ -----------

r2 r1

And i dont seem to get the answer

By the way the answer to the question is 4.78x10^5 m/s

thanks for the help

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# Homework Help: Movement of Charged Particles in a field

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