If We Know the Average Separation and Period of Revolution

question 75

Multiple Choice

If we know the average separation and period of revolution for a binary system, we can then measure

• A) their absolute magnitudes.
• B) the actual sizes of the two stars.
• C) the actual luminosity of each star.
• D) the actual mass of both individual stars.
• E) the total mass of the system.

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Definitions:

Variable Expenses

Variable expenses are costs that vary directly with changes in production levels or business activity, such as materials and labor.

Contribution Margin

The amount remaining from sales revenue after all variable expenses have been deducted.

Traceable Fixed Expenses

Fixed costs that can be directly associated with a specific business segment or product, aiding in accurate financial analysis and decision-making.

Common Fixed Expenses

Costs that do not vary with the level of production or sales and are shared among different segments or products of a company.