Solve the Problem $\mathbf { v } = - 3 \mathrm { i } + 2 \mathrm { j }$

question 162

Multiple Choice

Solve the problem.
-If $\mathbf { v } = - 3 \mathrm { i } + 2 \mathrm { j }$ , find $\| v \|$ .

• A) \(\sqrt { 5 }\)
• B) 5
• C) 13
• D) \(\sqrt { 13 }\)

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Definitions:

Central Mechanisms

Refers to the fundamental processes or systems in the central nervous system that underlie functions such as perception, movement, and thought.

Self-Efficacy

An individual's belief in their own ability to succeed in specific situations or accomplish a task.

Community Psychology

A field of psychology that has highlighted the need for the prevention of mental disorders and the promotion of mental health, as opposed to exclusive reliance on treatment approaches; applies an ecological perspective that stresses the interdependence of the individual, the family, community, and society; embodies sensitivity to a person’s social context and appreciation of diversity; pays more attention to people’s strengths and the promotion of wellness, in contrast to the clinical psychology focus on deficits and reduction of maladaptive behaviors; stresses the importance of informal social supports, rather than relying solely on professional help; and is oriented to social justice and social change.

Ecological Approach

A perspective within psychology and other social sciences that emphasizes the importance of understanding individuals in the context of their physical and social environments.