Astronaut Hans Leaves Earth in a Spaceship Traveling at a Speed

question 45

Multiple Choice

Astronaut Hans leaves Earth in a spaceship traveling at a speed of 0.280c relative to the observer Brian at rest on Earth.Hans is holding a pencil at an angle of 30° with the direction of travel,as seen by Hans.What angle does the pencil make with the direction of travel,as seen by Brian on Earth?

• A)29°
• B)30°
• C)31°
• D)33°
• E)90°

---

Definitions:

Four-firm Concentration Ratio

A measure that expresses the total market share held by the four largest firms within an industry.

Herfindahl Index

A calculation of how concentrated a market is, achieved by adding together the market share squares of every firm within that industry.

Market Power

The ability of a company or group of companies to manipulate prices or market conditions in their favor, often due to a lack of significant competition.

Oligopoly

A market structure dominated by a small number of large firms, leading to limited competition and potentially higher prices.