It can be shown that the group velocity is B c and the phase velocity is c/ß where B = v/c. (Enter your answers, in terms of c, to at least four significant figures.) Find the group velocity of 8.4 Mev protons. Find the phase velocity of 8.4 Mev protons. Find the group velocity of 8.4 Mev electrons. Find the phase velocity of 8.4 Mev electrons.

It can be shown that the group velocity is B c and the phase velocity is c/ß where B = v/c. (Enter your answers, in terms of c, to at least four significant figures.) Find the group velocity of 8.4 Mev protons. Find the phase velocity of 8.4 Mev protons. Find the group velocity of 8.4 Mev electrons. Find the phase velocity of 8.4 Mev electrons.