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The rubidium isotope 87Rb is a emitter with a half life of 4.9 1010 y that decays into 87Sr. It is used to determine the
The rubidium isotope 87Rb is a emitter with a half life of 4.9 1010 y that decays into 87Sr. It is used to determine the age of rocks and fossils. Rocks containing the fossils of early animals contain a ratio of 87Sr to 87Rb of 0.072. Assuming that there was no 87Sr present when the rocks were formed, calculate the age of these fossils. Answer in units of y
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University Physics with Modern Physics
Authors: Hugh D. Young, Roger A. Freedman, Lewis Ford
12th Edition
978-0321501479, 9780805321876, 321501470, 978-0321501219
