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

question 8

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 0.83c. The commander also observes ship A, advancing in the rear, with a relative velocity of 0.48c. As measured by commander on ship B, at what speed is ship A approaching ship C?

• A) 1.3c
• B) 0.94c
• C) 0.25c
• D) 0.58c
• E) 2.2c

Understand the basic concepts and calculation of variance and standard deviation for financial assets.

Comprehend the factors affecting expected returns on stocks and how they are calculated.

Grasp the principles of the Capital Asset Pricing Model (CAPM) and its implications on expected returns.

Understand the nature of diversified and non-diversified risk in portfolio management.

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Definitions:

Trade Balance

The difference in value between a country's imports and exports over a given period, a component of a country's balance of payments.

Merchandise Exports

Goods produced within a country and sold to customers in another country, contributing to the country's gross domestic product.

Capital Account

A national account that records the transactions involving international transfer of capital, such as foreign direct investments and portfolio investments.

Balance of Goods

The difference in value between a country's imports and exports of physical products.