A proton and an electron are accelerated until their total energy is twice their rest masses. If the rest mass of the proton is M_pc² = 931 MeV and that of the electron is M_ec² = 0.51 MeV, the ratio of the velocity of the electron to that of the proton is A) 0.5. B) 1.0. C) 1.5. D) 2.0. E) Not enough data are given.

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The Answer of A proton and an electron are accelerated until their total energy is twice their rest masses. If the rest mass of the proton is M_pc² = 931 MeV and that of the electron is M_ec² = 0.51 MeV, the ratio of the velocity of the electron to that of the proton is A) 0.5. B) 1.0. C) 1.5. D) 2.0. E) Not enough data are given.

A Proton and an Electron Are Accelerated Until Their Total