When Three Vectors, , , and Are

question 23

Multiple Choice

When three vectors, , , and are placed head to tail, the vector sum + + = 0. If the vectors all have the same magnitude, the angle between the directions of any two adjacent vectors is

• A)30°
• B)60°
• C)90°
• D)120°
• E)150°

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Definitions:

Cars And Trucks

General categories of motor vehicles primarily used for transportation of people (cars) and goods (trucks).

Socially-Optimal Quantity

The level of production and consumption that achieves the largest possible economic efficiency, taking into account the external effects on society.

External Benefit

A benefit gained by individuals or firms not directly involved in a transaction, leading to positive side effects or spillovers.

Private Cost

The direct cost that producers or consumers incur through their actions, not including externalities.