ch42-p078 - 78. Using Eq. 42-15, the amount of uranium...

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78. Using Eq. 42-15, the amount of uranium atoms and lead atoms present in the rock at time t is U0 Pb 0 U 0 0 0 (1 ) t tt NN e N N N e N e λ λλ −− = =− = and their ratio is Pb U 1 1 t t t N e e Ne = . The age of the rock is () 9 9 Pb 1/2
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This note was uploaded on 05/19/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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