You Discover a Binary Star System in Which Star a Has

question 56

Multiple Choice

You discover a binary star system in which star A has a velocity of 10 km/s and star B has a velocity of 30 km/s.If you study the system further and find out that the orbital period is 30 days and the orbital separation is 0.3 AU then what are the masses of stars A and B?

• A) Star A is 3 M_\(\bigodot\) and Star B is 1 M_\(\bigodot\).
• B) Star A is 1 M_\(\bigodot\) and Star B is 0.3 M_\(\bigodot\).
• C) Star A is 6 M_\(\bigodot\) and Star B is 2 M_\(\bigodot\).
• D) Star A is 2 M_\(\bigodot\) and Star B is 0.5 M_\(\bigodot\).

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Definitions:

Exclusion

The act of preventing certain groups or individuals from participating or being included within an activity, process, or benefit.

Inclusion

The practice or policy of providing equal access to opportunities and resources for people who might otherwise be excluded or marginalized.

Monopsonist

A market condition where there is only one buyer for a particular product or service, giving the buyer significant control over prices.

Labor Market

The supply and demand for workers, in which employers seek to hire labor and workers find employment. The labor market dynamics influence wages and employment levels.