Gravitation and other forces prevent Hubbles-law expansion
Chapter 46, Problem 38(choose chapter or problem)
Gravitation and other forces prevent Hubbles-law expansion from taking place except in systems larger than clusters of galaxies. What If? Imagine that these forces could be ignored and all distances expanded at a rate described by the Hubble constant of 22 3 1023 m/(s ? ly). (a) At what rate would the 1.85-m height of a basketball player be increasing? (b) At what rate would the distance between the Earth and the Moon be increasing?
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