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If a Galaxy Had No Dark Matter,how Would the Velocity

Question 28

Multiple Choice

If a galaxy had no dark matter,how would the velocity (v) of a star that orbited far outside the visible extent of the galaxy depend on its distance (r) from the center of the galaxy?

A) ν ∝ r⁻²
B) ν ∝ r⁻¹
C) ν ∝ If a galaxy had no dark matter,how would the velocity (v) of a star that orbited far outside the visible extent of the galaxy depend on its distance (r) from the center of the galaxy? A) ν ∝ r−2 B) ν ∝ r−1 C) ν ∝ D) ν ∝ r E) ν ∝ r2
D) ν ∝ r
E) ν ∝ r²

If a Galaxy Had No Dark Matter,how Would the Velocity

Multiple Choice

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