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(a) A velocity selector consists of electric and magnetic fields described by the expressions E = Ek and B = Bj, with B = 17.0 mT. Find the value of E (in kV/m) such that a 680 ev electron moving in the negative x-direction is undeflected. 262.879 kV/m (b) What If? For the value of E found in part (a), what would the kinetic energy of a proton have to be (in MeV) for it to move undeflected in the negative x-direction? .12 X Mev

(a) A velocity selector consists of electric and magnetic fields described by the expressions E = Ek and B = Bj, with B = 17.0 mT. Find the value of E (in kV/m) such that a 680 ev electron moving in the negative x-direction is undeflected. 262.879 kV/m (b) What If? For the value of E found in part (a), what would the kinetic energy of a proton have to be (in MeV) for it to move undeflected in the negative x-direction? .12 X Mev

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(a) A velocity selector consists of electric and magnetic fields described by the expressions E = Ek and B = in the negative x-direction is undeflected. Bj, with B = 17.0 mT. Find the value of E (in kV/m) such that a 680 eV electron moving 262.879 kV/m (b) What If? For the value of E found in part (a), what would the kinetic energy of a proton have to be (in MeV) for it to move undeflected in the negative x-direction? 12 X MeV
Transcribed Image Text:(a) A velocity selector consists of electric and magnetic fields described by the expressions E = Ek and B = in the negative x-direction is undeflected. Bj, with B = 17.0 mT. Find the value of E (in kV/m) such that a 680 eV electron moving 262.879 kV/m (b) What If? For the value of E found in part (a), what would the kinetic energy of a proton have to be (in MeV) for it to move undeflected in the negative x-direction? 12 X MeV
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