Solve the Problem $s ( t ) = - 3 \cos 7 \pi t$

question 156

Multiple Choice

Solve the problem.
-The position of a weight attached to a spring is $s ( t ) = - 3 \cos 7 \pi t$ inches after $t$ seconds. When does the weight first reach its maximum height?

• A) After \(\frac { \pi } { 7 } \mathrm { sec }\)
• B) After \(\frac { 1 } { 7 } \mathrm { sec }\)
• C) After \(\frac { 7 } { \pi } \mathrm { sec }\)
• D) After \(\frac { 7 } { 4 } \mathrm { sec }\)

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Definitions:

Self-standards

Internal benchmarks or criteria that individuals set for themselves in order to gauge their performance or behavior.

GABA

Gamma-aminobutyric acid, a neurotransmitter in the brain that inhibits nerve transmission, playing a key role in reducing neuronal excitability throughout the nervous system.

Biological Perspective

A view in psychology that emphasizes the study of physiological bases of behavior and the importance of genes and the environment in shaping behavior.

Vague Sense

A feeling or perception that is not clearly defined or is indistinct in nature.