A velocity selector has a magnetic field of magnitude 0.32 T perpendicular to an electric field of magnitude of 0.34 MV/m.
(a) What must be the speed of a particle for it to pass through undeflected ?
(b) The mass of the proton is 1.67x10-27 kg. How much energy must protons have in order to pass through undeflected ?
(c) The mass of the electron is 9.11x10-31 kg. How much energy must electrons have in order to pass through undeflected ?