Suppose you have a (1 mathrm{~g}) sample of ({ }^{226} mathrm{Ra}), half-life 1600 years. How long will
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Suppose you have a \(1 \mathrm{~g}\) sample of \({ }^{226} \mathrm{Ra}\), half-life 1600 years. How long will it be until only \(0.1 \mathrm{~g}\) of radium is left? \(\begin{array}{llll}\text { A. } 1600 \mathrm{yr} & \text { B. } 3200 \mathrm{yr} & \text { C. } 5300 \mathrm{yr} & \text { D. } 16,000 \mathrm{yr}\end{array}\)
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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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