Three Vectors $\overrightarrow { \mathrm { S } }$ $\overrightarrow { \mathrm { T } }$

question 95

Multiple Choice

Three vectors, $\overrightarrow { \mathrm { S } }$ , $\overrightarrow { \mathrm { T } }$ , and $\overrightarrow { \mathrm { U } }$ , have the components shown in the table. What angle does the resultant of these three vectors make with the +x-axis? $\begin{array} { | c | c | c | } \hline & x \text { component } & y \text { component } \\\hline & & \\\overrightarrow { \mathrm { S } } & & \\& - 3.5 \mathrm {~m} & 4.5 \mathrm {~m} \\\hline \overrightarrow { \mathrm { T } } & 0.00 m&-6.5 m \\\hline \overrightarrow { \mathrm { U } } & 5.5 m& -2.5 m \\\hline\end{array}$

• A) 24° above the +x-axis
• B) 24° below the +x-axis
• C) 66° above the +x-axis
• D) 66° below the +x-axis

---

Definitions:

Competent

Having the necessary ability, knowledge, or skill to perform a task successfully or efficiently.

Social Cognitive Perspective

A theoretical framework in psychology that emphasizes the role of observational learning, social experience, and reciprocal determinism in the development of personality and behaviors.

Behaviorism

A theory of learning that emphasizes the importance of observable actions and behaviors, discounting mental activities.

Psychoanalytic Theory

A psychological framework originated by Sigmund Freud that emphasizes unconscious psychological processes (e.g., desires and fears) in shaping human behavior and personality.