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28.6 Exercise 20

Avg difficulty 2.5

A muon has a rest mass energy of 105.7 MeV, and it decays into an electron and a massless particle. (a) If all the lost mass is converted into the electron’s kinetic energy, find γ\gamma for the electron. (b) What is the electron’s velocity?

OpenStax College Physics 2e, 28.6 Relativistic Energy, exercise 20

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.