Modern Physics for Scientists and Engineers
Modern Physics for Scientists and Engineers
2nd Edition
ISBN: 9780138057152
Author: John Taylor
Publisher: Benjamin Cummings
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Chapter 2, Problem 2.1P
To determine

Make:

A table showing electron's relativistic moment and electron's nonrelativistic moment.

Expert Solution & Answer
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Explanation of Solution

Given:

Mass of electron, m=9.11×1031kg

At different speed, β=0.1,0.5,0.9,0.99

Formula Used:

The speed of the electron:

  u=βc

Non- relativistic momentum:

  pNonRel=mu

Relativistic momentum:

  prel=mu1β2

Calculation:

    Non relativistic momentum  Relativisticmomentumβ u=βc p NonRel =mu p rel = mu 1 β 2 0.1 0.1c 0.273× 10 22 kg.m/s 0.275× 10 22 kg.m/s 0.5 0.5c 1.37× 10 22 kg.m/s 1.58× 10 22 kg.m/s 0.9 0.9c 2.46× 10 22 kg.m/s 5.63× 10 22 kg.m/s 0.99 0.99c 2.7× 10 22 kg.m/s 19.2× 10 22 kg.m/s

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