Many medical PET scans use the isotope ({ }^{18} mathrm{~F}), which has a half-life of (1.8 mathrm{~h}).

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Many medical PET scans use the isotope \({ }^{18} \mathrm{~F}\), which has a half-life of \(1.8 \mathrm{~h}\). A sample prepared at 10:00 A.M. has an activity of \(20 \mathrm{mCi}\). What is the activity at 1:00 P.M., when the patient is injected?

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College Physics A Strategic Approach

ISBN: 9780321907240

3rd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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