Период полураспада плутония равен 140 суткам . сколько плутония останется через 10 лет, если его начальная масса равна 8г.
Vitalyalol
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08.09.2019 19:50
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3
365,25*10 = 3652 сут
Количество полураспадов за 10 лет
3652 : 140 = 26
Масса плутония через 10 лет
2³ г * (1/2)²⁶ = 2⁻²³ = 1,19*10⁻⁷ г - ОТВЕТ