College Physics 10th Edition by Raymond Serway,Chris Vuille

تمرين 32

Assume ordinary soil contains natural uranium in amounts of 1 part per million by mass. (a) How much uranium is in the top 1.00 m of soil on a 1-acre (43 560-ft 2 ) plot of ground, assuming the specific gravity of soil is 4.00 (b) How much of the isotope 235 U, appropriate for nuclear reactor fuel, is in this soil Hint: See Appendix B for the percent abundance of .