The radius of a Cu(64,29) nucleus is measured to be 4.8x10^-13 cm. A) The radius of a Mg(27,12) nucleus can be estimated to be: B) The RMS energy of a nucleon in a nucleus of atomic number A in its ground state varies as: BY The RMS energy of a nucleon in a nucleus of atomic number A in its ground state varies as: as A43 by A3 A/3 A3 A2/3