Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Relativity
Section: Chapter Questions
Problem 6OQ
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An electron and a proton are detected in a cosmic ray experiment, the first with kinetic energy 10 keV, and the second with 100 keV. Which is faster, the electron or the proton ? Obtain the ratio of their speeds.
(Electron mass =9.11×10−31kg=9.11×10-31kg, proton mass =1.67×10−27kg,1eV=1.60×10−19J)=1.67×10-27kg,1eV=1.60×10-19J).
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