1. Compute the speed of
(a) electrons and
(b) protons that fall through an electrostatic potential difference of 10 million volts.
(c) What is the ratio of relativistic mass to rest mass in each case?
2. (a) What potential difference will accelerate an electron to the speed of light according to classical physics?
(b) With this potential difference, what speed will an electron acquire relativistically?
(c) What would its relativistic mass be at this speed?
(d) Its relativistic kinetic energy?