Gibbons move through the trees by swinging from successive handholds, as we have seen. To increase their speed, gibbons may brin
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Answer:
(a). The decay constant is
The half life is 11.3 hr.
(b). The value of N₀ is
(c). The sample's activity is 1.87 mCi.
Explanation:
Given that,
Activity
Time
Activity R= 8 mCi
(a). We need to calculate the decay constant
Using formula of activity
Put the value into the formula
We need to calculate the half life
Using formula of half life
Put the value into the formula
(b). We need to calculate the value of N₀
Using formula of
Put the value into the formula
(c). We need to calculate the sample's activity
Using formula of activity
Put the value intyo the formula
Hence, (a). The decay constant is
The half life is 11.3 hr.
(b). The value of N₀ is
(c). The sample's activity is 1.87 mCi.