Physics: Principles with Applications
7th Edition
ISBN: 9780321625922
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Chapter 20, Problem 58P
One form of mass spectrometer accelerates ions by a voltage V before they enter a magnetic field B. The ions are assumed to start from rest. Show that the mass of an ion is m - gB2R2/2 V where Ris the radius of the ions' path in the magnetic field and q is their charge.
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A particle with charge 1.602 × 10-19 C in a magnetic field of 3.58 T travels in a circle of radius 3.14 m at a speed of 9.95 m/s. What is the particle's mass? Answer in units of kg.
Chapter 20 Solutions
Physics: Principles with Applications
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