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5.9 Exercise 17

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 University Physics Volume 3, 5.9 Relativistic Energy, exercise 17

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.