The charge on a proton is +1.6 x10^-19C. (a) What is the attractive force between the nucleus of a hydrogen atom (having no neutrons - protium) and an electron in a circular orbit of 6.0 x 10^-7cm radius. (b) How fast must this electron be traveling in revolutions per second to keep from being draw into the nucleus? The mass of the electron is 9.11 x 10^-31kg