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QUESTION
An electron has a total energy equal to two times its rest energy. (a) What is its momentum?
An electron has a total energy equal to two times its rest energy.
(a) What is its momentum? (The rest energy of an electron is 0.511 MeV.).___________ MeV/c
(b) Repeat for a proton. (The rest energy of a proton is 939 MeV.). __________ GeV/c
