Figure is a hypothetical plot of the recessional speeds y of galaxies against their distance r from
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Figure is a hypothetical plot of the recessional speeds y of galaxies against their distance r from us; the best-fit straight line through the data points is shown. From this plot determine the age of the universe, assuming that Hubble's law holds and that Hubble's constant has had the same value throughout the expansion of the universe.
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0.40c 5.3 Distance r (10" ly) a paads
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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