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Problem
Problem
A
F
32
\text{F}^{32}
F
32
radio nuclide with half-life
T
=
14.3
T = 14.3
T
=
14.3
days is produced in a reactor at a constant rate
q
=
2
×
10
9
q = 2 \times 10^9
q
=
2
×
1
0
9
nuclei per second. How soon after the beginning of production of that radio nuclide will its activity be equal to
R
=
10
9
R = 10^9
R
=
1
0
9
disintegration per second?
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