I've actually tried that. It turns out to be zero when I do that, which can't be right. My result for E was:
-(σ/2εo)[(z/b)-(z/a)]
If I plug in z<<a,b I just get zero
My initial train of thought was to find E, use F=qE, then go from there.
Perhaps the value for E i found is wrong? I'll...
Homework Statement
An electron is released from rest in an electric field (see picture attachment, it should explain everything). Upon release, it will oscillate due to the positive electric field. Find the frequency with which it oscillates.
Homework Equations
Coulomb's Law
Equation...