Find the Angle Between the Given Vectors to the Nearest

question 22

Multiple Choice

Find the angle between the given vectors to the nearest tenth of a degree.
- $$\mathbf { u } = \left( 3 \cos \frac { \pi } { 6 } \right) \mathbf { i } + \left( 3 \sin \frac { \pi } { 6 } \right) \mathbf { j } , \mathbf { v } = \left( \cos \frac { 4 \pi } { 3 } \right) \mathbf { i } + \left( \sin \frac { 4 \pi } { 3 } \right) \mathbf { j }$$

• A) \(210 ^ { \circ }\)
• B) \(150 ^ { \circ }\)
• C) \(240 ^ { \circ }\)
• D) \(120 ^ { \circ }\)

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Definitions:

Social Facilitation

The tendency for people to perform tasks better or more efficiently when in the presence of others.

Social Loafing

Social loafing is a phenomenon where individuals exert less effort to achieve a goal when they work in a group than when they work individually.

Fundamental Attribution Error

A bias towards attributing others' actions more to their personal qualities than to the context they are in.

Dispositional Factors

Personality attributes or traits that influence an individual's behavior or attitudes in various situations.