To a Ground-Based Observer, What Is the Speed of a Moving

question 21

Multiple Choice

To a ground-based observer, what is the speed of a moving ball tossed backward at 30 km/hour on a train moving forward at 90 km/hr?

• A) 150 km/hr
• B) 60 km/hr
• C) 30 km/hr
• D) 90 km/hr
• E) 2700 km/hr

Understand the condition under which a monopolistically competitive firm earns positive or negative economic profits.

Recognize the profit-maximization rule (MR = MC) for monopolistically competitive firms and its implications for firm operations.

Comprehend the relationship between a monopolistically competitive firm's demand curve, marginal revenue curve, and production decisions.

Identify the conditions for short-run and long-run equilibria in monopolistically competitive markets, including the role of economic profits or losses.

---

Definitions:

Marketable Securities

Financial instruments that can be easily converted to cash, such as stocks, bonds, and Treasury bills.

Earnings Per Share

A metric used to measure a company’s profitability, calculated as the company's net profit divided by the number of outstanding shares.

Net Income

The total profit of a company after all expenses, including taxes and operating costs, have been subtracted from total revenues.

Common Shares Outstanding

The total number of shares of common stock that are issued and actively held by shareholders, excluding treasury shares.