p43_064 - 64. The original amount of 238 U the rock...

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64. The original amount of 238 U the rock contains is given by m 0 = me λt =(3 . 70 mg) e (ln 2)(260 × 10 6 y) / (4 . 47 × 10 9 y) =3 . 85 mg . Thus, the amount of lead produced is
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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