p43_045 - 45. Since the spreading is assumed uniform, the...

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45. Since the spreading is assumed uniform, the count rate R =74 , 000 / sisgivenby R = λN = λ ( M/m )( a/A ), where M = 400 g, m is the mass of the 90 Sr nucleus, A = 2000 km 2 ,and a is the area in question. We solve for a : a = A ³ m M ´ µ R λ =
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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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