Unformatted text preview: ln Âµ N K N K + N Ar + N Ca Â¶ = âˆ’ Î»t ln Âµ 1 1 + 1 + 8 . 54 Â¶ = âˆ’ ln 2 T 1 / 2 t which (with T 1 / 2 = 1 . 26 Ã— 10 9 y) yields t = 4 . 3 Ã— 10 9 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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