The Eastward Component of Vector $\overrightarrow { \mathrm { A } }$

question 137

Multiple Choice

The eastward component of vector $\overrightarrow { \mathrm { A } }$ is equal to the westward component of vector $\overrightarrow { \mathrm { B } }$ and their northward components are equal. Which one of the following statements must be correct for these two vectors?

• A)Vector \(\overrightarrow { \mathrm { A } }\) is parallel to vector \(\overrightarrow { \mathrm { B } }\) .
• B)Vector \(\overrightarrow { \mathrm { A } }\) is antiparallel (in the opposite direction)to vector \(\overrightarrow { \mathrm { B } }\) .
• C)Vector \(\overrightarrow { \mathrm { A } }\) must be perpendicular to vector \(\overrightarrow { \mathrm { B } }\) .
• D)The magnitude of vector \(\overrightarrow { \mathrm { A } }\) must be equal to the magnitude of vector \(\overrightarrow { \mathrm { B } }\) .
• E)The angle between vector \(\overrightarrow { \mathrm { A } }\) and vector \(\overrightarrow { \mathrm { B } }\) must be 90°.

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Definitions:

Conscientiousness

A personality trait characterized by diligence, carefulness, and a desire to do a task well.

Cultures

The shared beliefs, norms, behaviors, and symbols that a group of people accepts, generally without thinking about them, and that are passed along by communication and imitation.

McCrae and Costa

McCrae and Costa are best known for their development of the Five Factor Model of personality, which outlines five broad dimensions of personality traits: openness, conscientiousness, extraversion, agreeableness, and neuroticism.

Sociability

The tendency to seek and enjoy the company of others; being friendly and social.