How rapidly would each of the following particles be moving if they all had the same wavelength as a photon of red light (wavelength = 750 nm)?
a. An electron of mass 9.10939 x 10^-28 g?
b. A proton of mas 1.67262 x 10^-24 g
c. A neutron of mass 1.67493 x 10^-24 g
d. An alpha particle of mass 6.64 x 10^-24 g