The radioactive nuclei 60Co iswidely used in medical applications. It undergoes beta decay,and the total energy of the decay process is 2.82MeV per decay event. The half-life of this nucleus is272 days. Suppose that a patient isgiven a dose of 6.9 μCi of60Co. If all thismaterial decayed while in the patient's body, what would be thetotal energy deposited there? (1 Ci =3.70x1010 decays/sec.)


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