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A proton is initially at rest accelerates through a potential difference V and enters into a region 0

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 29P: (a) At what speed will a proton move in a circular path of the same radius as the electron in the...

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Question

A proton is initially at rest accelerates through a
potential difference V and enters into a region 0<x<d, where
m, q
there is a uniform magnetic field of magnitude B with direction perpendicular to the plane of the
paper and inward. (Gravitational force on the proton is negligible.)
(d) What is the speed of the proton when it exits in the region of the magnetic field?

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