dium decomposes at a rate proportional to the quantity of radium present. Suppose that it is found that in 25 years proximately 11 percent of a certain quantity of radium has decomposed. Determine approximately how long it will take r one-half the original amount of radium to decompose.

dium decomposes at a rate proportional to the quantity of radium present. Suppose that it is found that in 25 years proximately 11 percent of a certain quantity of radium has decomposed. Determine approximately how long it will take r one-half the original amount of radium to decompose.

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter6: Energy From Nuclear Fission

Section: Chapter Questions

Problem 19P

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Radium decomposes at a rate proportional to the quantity of radium present. Suppose that it is found that in 25 years
approximately 11 percent of a certain quantity of radium has decomposed. Determine approximately how long it will take
for one-half the original amount of radium to decompose.

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