A Particular Star in a Binary Star System Orbits the Other

question 261

Multiple Choice

A particular star in a binary star system orbits the other in an elliptical orbit with a semimajor axis of 3 AU and a period of 5 years.What is the sum of the masses of the two stars in the system?

• A) 0.9
• B) 1.1
• C) 13.9
• D) 0.07

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Definitions:

Gross Profit

The financial gain made after subtracting the cost of goods sold from revenue, indicating the efficiency of a company in managing its production and labor costs.

Fair Value Hedge

A hedge of the exposure to changes in fair value of a recognized asset or liability or an identified portion of such an asset or liability that is attributable to a particular risk.

Cash Flow Hedge

A hedge of the exposure to variability in cash flows that is attributable to a particular risk associated with a recognized asset or liability, or a highly probable forecast transaction.

Exposure Hedge

A financial strategy utilized to minimize the risk associated with exposure to adverse movements in foreign exchange rates, interest rates, or commodity prices.