2. (10 pts). You have a pair of parallel plates (square with sides 20.0 cm long)...
2. (10 pts). You have a pair of parallel plates (square with sides 20.0 cm long) with equal and opposite charges. The positive plate is above the negative plate. They are separated by a distance of 1.00 cm. The electric field between them is 2.00x105 N/C.
(a) What is the surface charge density on one of the plates?
(b) A proton is travelling ALONG the positively charged plate at 0.100 cm/s. The charge is next to the positive plate, but otherwise between the plates. It is traveling to the right. Assuming it starts at the left edge of the plate, how far to the right does the proton travel before running into the bottom plate?
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