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An electron is released from rest at the negative plate of a parallel plate capacitor. The...

An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is σ = 3.0 * 10-7 C/m2, and the plate separation is 1.1 * 10-2 m. How fast is the electron moving just before it reaches the positive plate?
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