Question
What is the speed of a 680 eV electron?
What is the speed of a 3.50 keV electron?
What is the speed of a 3.50 keV electron?
Answers
Damon
(1/2) m v^2 = 680 eV * 1.602*10^-19 Joules/eV
(1/2)(9.1*10^-31) v^2 = 680*1.6*10-19
v^2 =680*1.6*10-19 / (4.55*10^-31)
(1/2)(9.1*10^-31) v^2 = 680*1.6*10-19
v^2 =680*1.6*10-19 / (4.55*10^-31)