The Stars That Last Longest Are the Stars

question 206

Multiple Choice

The stars that last longest are the stars

• A) with the largest luminosity and highest temperature, since they take the longest to cool down to invisibility.
• B) with the largest mass, that is, the largest amount of fuel.
• C) with the smallest mass.
• D) of intermediate mass; small-mass stars have little fuel and burn out quickly, while very massive stars burn their fuel very rapidly.

Distinguish between different types of industries based on long-run supply and demand curves.

Interpret graphs related to purely competitive markets, including aspects of allocative efficiency, marginal benefit, and marginal cost.

Explain the significance of price equaling marginal cost for resource allocation efficiency.

Identify the benefits of creative destruction and innovation within purely competitive markets.

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Definitions:

Future Value

The value of an investment at a specified date in the future, considering various factors like interest rates and compounding periods.

Conditional Sale Contract

A contract for the sale of goods where the payment of the price, or part of it, is deferred and the full ownership of the goods does not transfer until certain conditions, typically the full payment, are met.

Rate of Return

The gain or loss on an investment over a specified time period, expressed as a percentage of the investment's initial cost.

Compounded Semi-annually

A method of calculating interest where the interest is added to the principal twice a year, resulting in interest being earned on interest.