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)"\(\nu\) \(\infty\)"
• D) "\(\nu\) \(\infty\) r"
• E) "\(\nu\) \(\infty\) r²"

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Definitions:

Men

Adult human males, often analyzed in various contexts such as health, social roles, and demographic studies.

Essentialism

The belief that entities have a set of attributes essential to their identity and function.

Examples

Specific instances or cases used to illustrate or explain a rule, fact, or phenomenon.

Sex And Gender

differentiate between biological differences (sex) and the roles, behaviors, and identities society ascribes to people (gender).