A rival has created a device to scare off a teacher due to his noted fear of electrons. Around her (the rival) remote compound, she’s placed electrons in a magnetic field. The electrons move in horizontal circles of radius 9.5 cm when their speed is 2.0×106 m/s. What is the magnitude and direction of the magnetic field that causes this motion?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 15P: Use the orders of magnitude you found in the previous problem to answer the following questions to...
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A rival has created a device to scare off a teacher due to his noted fear of electrons. Around her (the rival) remote compound, she’s placed electrons in a magnetic field. The electrons move in horizontal circles of radius 9.5 cm when their speed is 2.0×106 m/s. What is the magnitude and direction of the magnetic field that causes this motion?

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