Difficult physics relativity question?

Science & Mathematics by Anonymous 2018-06-15 00:02:05

Social Science

Difficult physics relativity question?

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I cant seem to solve this question: The meson, meaning “in the middle,” was first discovered in cosmic rays and has a rest mass of 135 MeV/c2. Convert this mass to kilograms and show that it is between the mass of an electron and a proton.