Physics for Scientists and Engineers With Modern Physics
Physics for Scientists and Engineers With Modern Physics
9th Edition
ISBN: 9781133953982
Author: SERWAY, Raymond A./
Publisher: Cengage Learning
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Chapter 45, Problem 7OQ
To determine

The reason for the spiral shape.

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An alpha particle (m = 6.68 x 1027 kg, q = +2 e.c.) is fired through a velocity selector that is created by an electric field of 4.5 x 105 N/C and a magnetic field of 0.90 T. It then enters a second magnetic field of 1.5 T. a)  Explain how a velocity selector works and determine the speed which the alpha particle must have been moving at.  b)  After half a revolution in the second magnetic field, the alpha particle exits the field. How far from its point of entry does it leave?
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Physics for Scientists and Engineers With Modern Physics

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