An electron is accelerated from rest through a potential difference that has a magnitude of 2.90 x 10' V. The mass of the electron is 9.11x 1031 kg, and the negative charge of the electron has a magnitude of 1.60 x 10 19 C. (a) What is the relativistic kinetic energy (in joules) of the electron? (b) What is the speed of the electron? Express your answer as a multiple of c. the speed of light in a vacuum. (a) Number (b) Number 4,64e-12 2.2568369 Units Units m/s
An electron is accelerated from rest through a potential difference that has a magnitude of 2.90 x 10' V. The mass of the electron is 9.11x 1031 kg, and the negative charge of the electron has a magnitude of 1.60 x 10 19 C. (a) What is the relativistic kinetic energy (in joules) of the electron? (b) What is the speed of the electron? Express your answer as a multiple of c. the speed of light in a vacuum. (a) Number (b) Number 4,64e-12 2.2568369 Units Units m/s
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter39: Relativity
Section: Chapter Questions
Problem 51PQ
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