A 115 mCi radioactive tracer is made in a nuclear reactor. When it is delivered to a
Question:
A 115 mCi radioactive tracer is made in a nuclear reactor. When it is delivered to a hospital 16 hours later its activity is 95 mCi. The lowest usable level of activity is 10 mCi.
a. What is the tracer’s half-life?
b. For how long after delivery is the sample usable?
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Step by Step Answer:
a To calculate the tracers halflife we can use the following equation Nt N0 12tT where Nt the amount ...View the full answer
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Related Book For 
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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