What is the relativistic kinetic energy of an electron moving at a speed of 2.00 108 m/s? (electron mass is 9.11 10-31 kg and c = 3.00 108 m/s)
a. 2.80 10-14 J
c. 11.6 10-14 J
b. 1.27 10-14 J
d. 9.47 10-14 J
Question 2
What is the total energy of a proton moving at a speed of 2.10 108 m/s? (proton mass is 1.67 10-27 kg and c = 3.00 108 m/s)
a. 1.11 10-27 J
c. 2.02 10-10 J
b. 2.10 10-10 J
d. 2.24 10-27 J
