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Recall That Hubble's Law Is Written V = H₀d,where V

Question 51

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Recall that Hubble's law is written v = H₀d,where v is the recession velocity of a galaxy located a distance d away from us,and H₀ is Hubble's constant.Suppose H₀ = 55 km/s/Mpc.How fast would a galaxy located 500 megaparsecs distant be receding from us? Show all work clearly,and state your final answer with a complete sentence.Give the speed in units of kilometers per second and as a percentage of the speed of light.

Correct Answer:

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v = H₀d = (55 blured image (500 Mpc)
=27.5...

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