It can be shown that the group velocity is ßc and the phase velocity is c/ß where ß= v/c. (Enter your answers, in terms of c, to at least four significant figures.) Find the group velocity of 5.7 MeV protons. 0.1102 X C Find the phase velocity of 5.7 MeV protons. 9.113✔✔ C Find the group velocity of 5.7 MeV electrons. 4.7 X C Find the phase velocity of 5.7 MeV electrons. 1.0034 ✓ C
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