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Darromanenko
@Darromanenko
June 2022
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Решите пожалуйста очень нужно
Период полураспада радия Т = 1600р. Через какое время количество атомов уменьшится в четы раза?
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sokolovvovikn
Verified answer
N=N0/2^t/T
N0/N=2^2=2^t/T
t=2*T=1600*2=
0 votes
Thanks 1
larisaorlova65
Verified answer
N/N₀ =1/4, n=t/T,
1/4= 1/2^n,
2^n=4,n=2.
t=n*T, t=2*1600=3200 лет
1 votes
Thanks 2
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Answers & Comments
Verified answer
N=N0/2^t/TN0/N=2^2=2^t/T
t=2*T=1600*2=
Verified answer
N/N₀ =1/4, n=t/T,1/4= 1/2^n,
2^n=4,n=2.
t=n*T, t=2*1600=3200 лет