16) consider an electron with an initial speed v0 = 32 Mm/s (1 Mm = 1 megameter = 1000 km = 1E6 m) that is traveling parallel to an electric field (v0||E) of magnitude E = 2.9 kN/C (1 kN = 1 kilonewton = 1E3 N). What distance d (in m) will the electron travel before it stops?