The barium isotope ({ }^{133} mathrm{Ba}) has a half-life of 10.5 years. A sample begins with (1.0

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The barium isotope \({ }^{133} \mathrm{Ba}\) has a half-life of 10.5 years. A sample begins with \(1.0 \times 10^{10}{ }^{133} \mathrm{Ba}\) atoms. How many are left after

(a) 2 years,

(b) 20 years, and

(c) 200 years?

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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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