Homework Statement
An Electron (rest mass=9.11*10^-31kg) is accelerated to an energy (mass energy+kinetic energy) of 30*10^6 eV (30 MeV). What is its kinetic energy? Its momentum? Its speed?
(Note: 1 eV = 1.602*10^-19 Joules; c=2.998 * 10^8 ms^-1)
Homework EquationsThe Attempt at a Solution...
I am Danielle and I am currently an undergrad physics major with a minor in astronomy. I hope to gain knowledge and maybe help others through joining this forum! :)