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Introductory Physics Homework Help
Positron in a magnetic field
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[QUOTE="elitepro, post: 5468274, member: 506853"] [h2]Homework Statement [/h2] A positron moves in a circular path of radius R due to a uniform magnetic field of strength B applied perpendicular to the plane of the circle. If B is varied, which of the following best represents a graph of the kinetic energy of the positron as a function of B so that the positron maintains the same radius R. [h2]Homework Equations[/h2] qvB=mv^2/R [h2]The Attempt at a Solution[/h2] KE = 1/2MV^2 Rearranging first equation, RqvB =mv^2, then multiply each side by 2 2RqvB = KE Here i thought that KE is proportional to B, but v remains a variable that depends on KE. How do create a relationship between B and KE? [/QUOTE]
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Positron in a magnetic field
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