When a radioactive nucleus of astatine 215 decays at rest, the whole atom is torn into two in the reaction
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The masses of the three atoms are (in order) 214.9986, 210.9873, and 4.0026, all in atomic mass units. (1 atomic mass unit = 1.66 x 10-27kg = 931.5 MeV/c2.) What is the total kinetic energy of the two out coming atoms, in joules and in MeV?