For Any Object Moving Uniformly, Velocity = Distance/time

question 185

Multiple Choice

For any object moving uniformly, velocity = distance/time. So in the Hubble relationship for the expansion of the universe, v = H₀r, what is the significance of the constant 1/H₀?

• A) This quantity represents the average spacing between objects in the universe at the present time.
• B) This quantity represents the time since the expansion began, or the age of the universe.
• C) This quantity is merely a constant of proportionality to allow for the different units in v and r.
• D) This quantity is the inverse of the velocity that the object would have at a standard distance of 10 parsecs.

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