How to acquires highest possible speed

Reference no: EM1368838

Q. You have a total charge Q > 0 at your disposal and your job it to launch a proton that starts at rest, so that it acquires highest possible speed. You can launch the proton from the surface of a sphere of with charge Q and radius R, from the center of a ring of charge Q and radius R, or from the center of a disk of charge Q and radius R. Which is the best choice?

Reference no: EM1368838

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