Incorrect. Remember that e=mc^2 and you can also use the universal mass constant of 931.5MeV/c^2 OR 1.661 x 10^-27kg.
English
-
So 68
-
Edited by Finky Bean: 4/3/2016 9:40:38 PMShow your work. I have not yet done the question but did something very similar on my last Physics exam.