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Unformatted text preview: 62. We solve for t from R = R0 e−λt :
t= 1 R0
ln
=
λ
R 5730 y
ln 2 ln 15.3
63.0 5.00
1.00 = 1.61 × 103 y . ...
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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.
 Fall '08
 SPRUNGER
 Physics

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