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 ∝
• D)ν ∝ r
• E)ν ∝ r²

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Definitions:

Floating Rate

An interest rate that fluctuates over time with the market or an underlying benchmark.

Exotic

Often refers to a type of financial instrument or investment that is complex and not traditional, involving unique characteristics or structures.

Fisher Effect

The relationship between nominal returns, real returns, and inflation.

Nominal Rates

Interest rates or rates of return that have not been adjusted for inflation, representing the face value of financial products.