Find a Unit Vector in the Direction of the Given $\mathbf { u } = \langle 0 , - 4 \rangle$

question 287

Multiple Choice

Find a unit vector in the direction of the given vector. $\mathbf { u } = \langle 0 , - 4 \rangle$

• A) \(\langle - 1 , - 1 \rangle\)
• B) \(\langle - 1,0 \rangle\)
• C) \(\langle 0,0 \rangle\)
• D) \(\langle 0 , - 1 \rangle\)
• E) \(\langle 1,0 \rangle\)

Understand the defining characteristics and significance of modern cities.

Identify and describe the emergence and development of the world's first cities and civilizations.

Recognize the contributions of specific ancient cities to the development of civilization.

Appreciate the technological and social innovations of ancient cities.

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Definitions:

Superego

According to Freud, the psychological force that represents a person’s values and ideals.

Ego Defenses

Psychological strategies employed by the ego to manage anxiety, conflict, and internal or external stressors.

Id Impulses

Instinctual drives and desires, often unconscious, that form part of Freud's structural model of the psyche, seeking immediate satisfaction according to the pleasure principle.

Ego Defense Mechanisms

According to psychoanalytic theory, strategies developed by the ego to control unacceptable id impulses and to avoid or reduce the anxiety they arouse.