The radioactive nuclei Co is widely used in medical applications. It undergoes beta decay, and 34) the total energy of the decay process is 2.82 MeV per decay event. The half-life of this nucleus is 272 days. Suppose that a patient is given a dose of 6.9 microCurie of Co. If all of this material decayed while in the patient's body, what would be the total energy deposited there? ( 1 Ci = 3.70 *10 ¹⁰ decays/sec.) 

 

A) 11J 

B) 4.15 x 10⁶ J 

C) 3.9J 

D) 8.63 x 10¹² J 

E) 24J

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