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

Question 17

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) " $\nu$ $\infty$ r ^- ²"
B) " $\nu$ $\infty$ r ^- ¹"
C) " $\nu$ $\infty$ $If a galaxy had no dark matter, how would the velocity (v) of a star that orbited far outside the visible extent of the galaxy depend on its distance (r) from the center of the galaxy? A) \nu \infty r - 2 B) \nu \infty r - 1 C) \nu \infty D) \nu \infty r E) \nu \infty r2$ "
D) " $\nu$ $\infty$ r"
E) " $\nu$ $\infty$ r²"

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

Multiple Choice

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