A Pair of Stars Orbit Around One Another in an Elliptical

question 43

Multiple Choice

A pair of stars orbit around one another in an elliptical orbit with a semimajor axis,"a",of 1 AU with an orbital period,"P",of 1 year.What is the mass of the pair of stars?

• A) m₁ + m₂ = a³ / P² = 1 solar masses
• B) m₁ + m₂ = a³ / P² = 2 solar masses
• C) m₁ + m₂ = a³ / P² = 4 solar masses
• D) m₁ + m₂ = a³ / P² = 8 solar masses
• E) m₁ + m₂ = a³ / P² = 16 solar masses

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Definitions:

Liabilities

Financial obligations or debts that a company owes to others, which must be settled over time through the transfer of economic benefits including money, goods, or services.

Distorting Tax

A tax that alters the economic behavior of individuals and businesses from what they would have chosen in the absence of the tax.

Economic Welfare

The overall well-being of individuals and societies, often assessed by factors such as wealth, health, and happiness.

Benefits-Received Principle

The concept that those who benefit from public goods and services should bear the costs of providing them, in proportion to the benefit received.