An article that appeared in the August 13, 1994, New York
Chapter 5, Problem 37(choose chapter or problem)
An article that appeared in the August 13, 1994, New York Times reported German authorities have discovered . . . a tiny sample of weapons-grade nuclear material believed to have been smuggled out of Russia to interest foreign governments or terrorist groups that might want to build atomic bombs. . . . [the police] said they had seized the material, .028 ounces of highly enriched uranium-235, in June in . . . Bavaria . . . and have since arrested . . . [six] suspects....Suppose that the suspects, in an attempt to avoid arrest,had thrown the 0.028 ounces of uranium-235 into theDanube River, where it would sink to the bottom. Howmany ounces of the uranium-235 would still be in the riverafter 1000 years? The half-life of uranium-235 is 7.1 108years.
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