What would be the speed of the following particles if they had the same wavelength as a photon of green light (λ = 500.0 nm)?
Proton (mass = 1.673*10^(-24)g) =_____
neutron (mass = 1.675*10(-24)g) =_____
electron (mass = 9.109*10^(-28)g) =_____
alpha particle (mass = 6.645*10^(-24)g) =____