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Positron in a magnetic field
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[QUOTE="crocodile27, post: 6495397, member: 690876"] 2RqvB = KE You could also note that v is proportional to KE^(1/2), and then since you don't need to worry about constants such as 1/2m you can just say that 2q KE^1/2 B is proportional to KE, and by dividing KE ^1/2 on both sides you get 2qB is proportional to KE^1/2. so KE is proportional to B^2 and you get the answer that it is a quadratic formula centered at 0. [/QUOTE]
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Positron in a magnetic field
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