Three Spaceships A, B, and C Are in Motion as Shown

question 29

Multiple Choice

Three spaceships A, B, and C are in motion as shown in the figure. The commander on ship B observes ship C approaching with a relative velocity of 0.82c. The commander also observes ship A, advancing in the rear, with a relative velocity of 0.50c. What is the speed of ship C as measured by the captain of ship A?

• A) 0.94c
• B) 0.23c
• C) 2.2c
• D) 0.54c
• E) 1.3c

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Definitions:

Market Supply

The total quantity of a specific good or service that is available for purchase in the market by all suppliers at various price levels.

Market Demand

The total demand for a product or service across all consumers in a market at a given price level and time.

Equilibrium Level

A condition in which the supply and demand in the market are equal, leading to stable prices.

Deadweight Loss

Deadweight loss is the loss of economic efficiency that occurs when the equilibrium outcome is not achievable or not achieved in a market.