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An electron is moving in a region of vacuum, in which electric fields are present. Its speed at point A, which is at an electric potential of -30 V, is 4.0 x 10“ m/s. The electron's trajectory takes it to point B, which is at an electric potential of +40 V. Using energy considerations, calculate the electron's speed at point B. electron A A 4,0x10 B - 30 V +40V

An electron is moving in a region of vacuum, in which electric fields are present. Its speed at point A, which is at an electric potential of -30 V, is 4.0 x 10“ m/s. The electron's trajectory takes it to point B, which is at an electric potential of +40 V. Using energy considerations, calculate the electron's speed at point B. electron A A 4,0x10 B - 30 V +40V

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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An electron is moving in a region of vacuum, in which electric fields are present. Its speed at point A, which is at an electric potential of -30 V, is 4.0 x 10° m/s. The electron's trajectory takes it to point B, which is at an electric potential of +40 V. Using energy considerations, calculate the electron's speed at point B. electron A 4,0x10 B Go→ - 30 V +40V
Transcribed Image Text:An electron is moving in a region of vacuum, in which electric fields are present. Its speed at point A, which is at an electric potential of -30 V, is 4.0 x 10° m/s. The electron's trajectory takes it to point B, which is at an electric potential of +40 V. Using energy considerations, calculate the electron's speed at point B. electron A 4,0x10 B Go→ - 30 V +40V
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