I have attached the image. The question is --
What is the potential energy of a proton at the midpoint of the capacitor?
I know this is an extremely easy problem, but I can't seem to get the formula right...
I tried U = qV, using 1.6*10^-19 * 150V (because it is in the middle). What am I doing wrong? Is this not the right formula?
The Attempt at a Solution
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