An electron with a speed of 7.60 x 108 cm/s in the positive direction of an x axis enters an electric field of magnitude 2.11 x 10³ N/C, traveling along a field line in the direction that retards its motion. (a) How far will the electron travel in the field before stopping momentarily, and (b) how much time will have elapsed? (c) If the region containing the electric field is 7.79 mm long (too short for the electron to stop within it), what fraction of the electron's initial kinetic energy will be lost in that region?

An electron with a speed of 7.60 x 108 cm/s in the positive direction of an x axis enters an electric field of magnitude 2.11 x 10³ N/C, traveling along a field line in the direction that retards its motion. (a) How far will the electron travel in the field before stopping momentarily, and (b) how much time will have elapsed? (c) If the region containing the electric field is 7.79 mm long (too short for the electron to stop within it), what fraction of the electron's initial kinetic energy will be lost in that region?

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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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

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An electron with a speed of 7.60 x 108 cm/s in the positive direction of an x axis enters an electric field of magnitude
2.11 x 10³ N/C, traveling along a field line in the direction that retards its motion. (a) How far will the electron travel in the field before
stopping momentarily, and (b) how much time will have elapsed? (c) If the region containing the electric field is 7.79 mm long (too short
for the electron to stop within it), what fraction of the electron's initial kinetic energy will be lost in that region?
(a) Number
(b) Number
(c) Number i
Units
Units
Units

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