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Etopn23
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Homework Statement
An electron starts from one plate of a charged closely spaced (vertical) parallel plate arrangement with a velocity of 1.63 x 10^4 m/s to the right. Its speed on reaching the other plate, 2.10 cm away is 4.15x10^4 m/s
I got parts a and b - part C is what I'm having problems with.
C) If the plates are square with an edge length of 25.4 cm, determine the charge on each.
Homework Equations
E=(4πkQ)/A
The Attempt at a Solution
I substituted for all the unknowns except for E and Q - but that leaves me with two unknowns; I'm completely flabbergasted with what to do next.