Find a Unit Vector in the Direction of the Given $\mathbf { v } = 2 \mathbf { i } + 2 \mathbf { j }$

question 17

Multiple Choice

Find a unit vector in the direction of the given vector.? $\mathbf { v } = 2 \mathbf { i } + 2 \mathbf { j }$ ?

• A)? \(- \frac { \sqrt { 2 } } { 2 } \mathbf { i } - \frac { \sqrt { 2 } } { 2 } j\)
• B)? \(- \frac { \sqrt { 2 } } { 2 } \mathbf { i } + \frac { \sqrt { 2 } } { 2 } j\)
• C)? \(\frac { \sqrt { 2 } } { 2 } \mathbf { i } - \frac { \sqrt { 2 } } { 2 } \mathbf { j }\)
• D)? \(\sqrt { 2 } \mathbf { i } + \sqrt { 2 } \mathbf { j }\)
• E) \(\frac { \sqrt { 2 } } { 2 } \mathbf { i } + \frac { \sqrt { 2 } } { 2 } \mathbf { j }\)

---

Definitions:

External World

The objective reality outside an individual's mind, including physical objects, events, and other people.

Mental Structures

The complex frameworks within the mind that are involved in organizing, interpreting, and making sense of information, according to theories of cognitive development.

Script

A sequence of expected behaviors, roles, and events in a particular context, helping individuals navigate social situations.

Genetic Influences

The impact that genes inherited from biological parents have on various traits or aspects of an individual, including physical appearance, personality, and susceptibility to certain diseases.