Rest mass energy = m*c^2
Total relativistic engery = Rest mass energy + Kinetic Energy
Total relativistic engery = 5 * mc^2 + m*c^2
Total relativistic engery = 6 mc^2
Total relativistic engery = 6 * 9.11 * 10^-31 * (3.0*10^8)^2
Total relativistic engery = 4.92 * 10^-13 J
