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vittishka
@vittishka
July 2022
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9.3. Сколько ядер N распадается за время t=1 с из N0=10*9 ядер
изотопа йода 137 53 I. Период полураспада изотопа Т1/2 =8 суток.
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flsh
N = No - No•2^(-t/T) = No•(1 - 2^(-t/T))
N = 10^9•(1 - 2^(-1/(8•24•3600))) ~ 1003 ядра
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N = 10^9•(1 - 2^(-1/(8•24•3600))) ~ 1003 ядра