A state-of-the-art proton decay experiment is expected to detect 55% of the proton decays in a body of water. Assuming protons have a lifetime of 1031 years, how many m3 of water would you need in order to see 5 decays per month?  (Assume a "month" is one-twelfth of a year.)

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter43: Nuclear Physics
Section: Chapter Questions
Problem 25P: Enter the correct nuclide symbol in each open tan rectangle in Figure P43.25, which shows the...
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A state-of-the-art proton decay experiment is expected to detect 55% of the proton decays in a body of water. Assuming protons have a lifetime of 1031 years, how many m3 of water would you need in order to see 5 decays per month?  (Assume a "month" is one-twelfth of a year.)

 

Express your answer in scientific notation using two significant figures (e.g. 13680.3 would be expressed as 1.4*10^4). 

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