Friday
July 25, 2014

Homework Help: health physics

Posted by terry on Saturday, January 29, 2011 at 4:03pm.

Assuming that at the beginning of time (big bang; creation of the universe) there
were equal numbers of U-235 and U-238 atoms produced, estimate the age of
the Earth (using terrestrial U-235 and U-238 abundances).

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