Imagine you are able to observe a 7.5 MeV electron in the lab. Using the equations relating to relativistic energy and momentum, answer the following questions. a. What is the total energy of the electron? E=KE+ mc² + 2×108 + 7.5X106 = 2.075 X 108 V b. What is the velocity of the electron? E mc² V2 с É" = (mcg)² + cp² -2.996×10 c. What is the momentum of the electron? E² - (m ² ²)² = 0.83 eVs/m C2 m²c41 E² 8 mls
Imagine you are able to observe a 7.5 MeV electron in the lab. Using the equations relating to relativistic energy and momentum, answer the following questions. a. What is the total energy of the electron? E=KE+ mc² + 2×108 + 7.5X106 = 2.075 X 108 V b. What is the velocity of the electron? E mc² V2 с É" = (mcg)² + cp² -2.996×10 c. What is the momentum of the electron? E² - (m ² ²)² = 0.83 eVs/m C2 m²c41 E² 8 mls
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter31: Radioactivity And Nuclear Physics
Section: Chapter Questions
Problem 16PE: (a) What is the kinetic energy in MeV of a ray that is traveling at 0.998c? This gives some idea of...
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For part c), how come we cannot use the relativistic momentum equation where p = mv/(sqrt(1-v^2/c^2))? Since we've already solved for velocity in part b)?
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