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An element, X has an atomic number 48 This element is unstable and decays by ẞ and a atomic mass of 126.898 u. decay, with a half life of 32d. The beta particle is emitted with a kinetic energy of 11.72 MeV. Initially there are 9.28×1012 atoms present in a sample. Determine the activity of the sample after 127 days (in μСi). You Answered 346.77 Correct Answer 4.016 margin of error +/- 1%

An element, X has an atomic number 48 This element is unstable and decays by ẞ and a atomic mass of 126.898 u. decay, with a half life of 32d. The beta particle is emitted with a kinetic energy of 11.72 MeV. Initially there are 9.28×1012 atoms present in a sample. Determine the activity of the sample after 127 days (in μСi). You Answered 346.77 Correct Answer 4.016 margin of error +/- 1%

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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An element, X has an atomic number 48 This element is unstable and decays by ẞ and a atomic mass of 126.898 u. decay, with a half life of 32d. The beta particle is emitted with a kinetic energy of 11.72 MeV. Initially there are 9.28×1012 atoms present in a sample. Determine the activity of the sample after 127 days (in μСi). You Answered 346.77 Correct Answer 4.016 margin of error +/- 1%
Transcribed Image Text:An element, X has an atomic number 48 This element is unstable and decays by ẞ and a atomic mass of 126.898 u. decay, with a half life of 32d. The beta particle is emitted with a kinetic energy of 11.72 MeV. Initially there are 9.28×1012 atoms present in a sample. Determine the activity of the sample after 127 days (in μСi). You Answered 346.77 Correct Answer 4.016 margin of error +/- 1%
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