Find $\mathbf { r } ^ { \tt } ( t )$

question 37

Multiple Choice

Find $\mathbf { r } ^ { \tt } ( t )$ for the function given.
$\mathbf { r } ( t ) = 8 \mathbf { i } + \sin t \mathbf { j } + \cos t \mathbf { k }$

• A) \(\mathrm { r } ^ { tt } ( t ) = - 8 \sin t \mathrm { j } - \cos t \mathrm { k }\)
• B) \(\mathrm { r } ^ { tt} ( t ) = - \sin t \mathrm { j } - \cos t \mathrm { k }\)
• C) \(\mathrm { r } ^ { tt } ( t ) = \cos t \mathrm { j } - \sin t \mathrm { k }\)
• D) \(\mathrm { r } ^ { tt } ( t ) = - \sin t \mathrm { j } + 8 \cos t \mathrm { k }\)
• E) \(\mathrm { r } ^ { tt } ( t ) = - 8 \cos t \mathrm { j } - \sin t \mathrm { k }\)

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Definitions:

Functionalism

A theory in psychology that focuses on the purpose and adaptive functions of human behavior and mental processes.

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An individual who establishes something, such as a company or organization, often leading it and shaping its vision and direction.

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A therapeutic approach and theory of psychology developed by Sigmund Freud, focusing on unconscious processes and childhood experiences.

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