Find the velocity of an electron when its kinetic energy is equal to one electron volt (in 105m/s).

• A. Given charge of an electron e = 1.6 x 10-19 and mass of an electron m = 9.1 x 10-31.
• B. a)3.9
• C. b)4.9
• D. c)5.9
• E. d)6.9