The Coordinate of an Object Is Given as a Function

question 52

Multiple Choice

The coordinate of an object is given as a function of time by x = 7t - 3t², where x is in meters and t is in seconds.Its average velocity over the interval from t = 0 to t = 2 s is:

• A)5 m/s
• B)-5 m/s
• C)11 m/s
• D)-11 m/s
• E)1 m/s

---

Definitions:

Pleasure Principle

The principle by which the id functions to avoid pain and maximize pleasure.

Id

To Freud, the aspect of personality allied with the instincts; the source of psychic energy, the id operates according to the pleasure principle.

Ego

To Freud, the rational aspect of the personality, responsible for directing and controlling the instincts according to the reality principle. To Jung, the conscious aspect of personality.

Libido

in psychoanalytic theory, refers to the sexual or life drive that motivates individuals to seek pleasure and avoid pain.