搜狗做题网200分求一道物理题 求懂英文高手解答
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200分求一道物理题 求懂英文高手解答
Suppose that we have 39936 atoms of a radioactive substance with a half-life of 3 hours.
a. How many atoms of that element remain after 15 hours?
Answer= 多少atoms
b. How many atoms remain after 21 hours?
Answer= 多少atoms
Suppose that we have 39936 atoms of a radioactive substance with a half-life of 3 hours.
a. How many atoms of that element remain after 15 hours?
Answer= 多少atoms
b. How many atoms remain after 21 hours?
Answer= 多少atoms
a.How many atoms of that element remain after 15 hours?
Answer= 1248 atoms
b.How many atoms remain after 21 hours?
Answer= 312 atoms
Answer= 1248 atoms
b.How many atoms remain after 21 hours?
Answer= 312 atoms