4. A radioactive sample, with an initial mass of 28 mg, has a half - life of 5 days. What is the amount of radioactive sample remaining after 2 weeks? A = mo (0.5)/5 Final Initial amount mass O 4.0 mg O 21.2 mg O 14.0 mg O 11.2 mg

4. A radioactive sample, with an initial mass of 28 mg, has a half - life of 5 days. What is the amount of radioactive sample remaining after 2 weeks? A = mo (0.5)/5 Final Initial amount mass O 4.0 mg O 21.2 mg O 14.0 mg O 11.2 mg

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter10: Nuclear Physics

Section: Chapter Questions

Problem 37P: A radioactive sample initially contains 2.40102 mol of a radioactive material whose half-life is...

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4. A radioactive sample, with an initial mass of 28 mg, has a half - life
of 5 days. What is the amount of radioactive sample remaining after
2 weeks?
A = mo
(0.5)t/5
Final
Initial
amount
mass
O 4.0 mg
O 21.2 mg
O 14.0 mg
O 11.2 mg

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