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(a) Compute the Coulomb repulsion energy between two nuclei of 16O that just touch at their...

(a) Compute the Coulomb repulsion energy between two nuclei of 16O that just touch at their surfaces. (Use R0 = 1.2 10-15 m as necessary.)
________MeV

(b) Do the same for two nuclei of 238U.

(c) Find the kinetic energy of the alpha particle emitted in the decay of 210Bi.

______MeV

(d) 23Mg decays to 23Na by positron beta decay. (Use values from this table.)

          (a) What is the Q value for this decay?
              ________MeV

           (b) What is the maximum kinetic energy of the positrons?
               ________MeV

               ________MeV

(e) A piece of wood from a recently cut tree shows 14.0 14C decays per minute. A sample of the same size from a tree cut thousands of years ago shows 2.2 decays per minute. What is the age of this sample?

______ yr

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genius_generous answered 2 years ago
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