Cratering Evidence Throughout the Solar System Indicates That the Frequency

question 60

Multiple Choice

Cratering evidence throughout the Solar System indicates that the frequency of asteroid impact is inversely proportional to the cube of the diameter of the asteroid (that is, 1/D³) .The 2013 Chelyabinsk meteor was around 20 meters in diameter and impacts of this size are expected once every 60 years, on average.If the Tunguska impact was a meteor around 100 meters in diameter, what is the expected average time between impacts of that size?

• A) 1 every 220,000 years
• B) 1 every 7,500 years
• C) 1 every 1,200 years
• D) 1 every 180 years
• E) 1 every 0.5 year (2 a year)

---

Definitions:

Dividend Yield

A financial ratio that indicates how much a company pays out in dividends each year relative to its stock price.

Return on Stockholders' Equity

A measure of the profitability of a corporation in terms of the equity held by its shareholders, indicating how efficiently a company uses its equity base to generate profit.

Net Income

The total profit of a company after all revenues and gains are added together and all expenses and losses are subtracted.

Interest Expense

The cost incurred by an entity for borrowed funds, which is typically charged as a percentage of the principal loan amount.