Multiple Choice
An air sample is contaminated with 15O,which has a half-life of 2.03 minutes.You can pass it through a long pipe to allow it to decay until it can be safely released,at an air speed of 1.1 m/s.How long must your pipeline be for the sample to decay to 3% of its original activity?
A) 678 m
B) 8 m
C) 7 m
D) 2 m
Correct Answer:
Verified
Correct Answer:
Verified
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