$\text { For the curve } r ( t ) \text {, write the acceleration in the form aTT } + \text { anN. }$

question 78

Multiple Choice

$\text { For the curve } r ( t ) \text {, write the acceleration in the form aTT } + \text { anN. }$
- $$\mathbf { r } ( \mathrm { t } ) = ( \mathrm { t } + 1 ) \mathbf { i } + ( \ln ( \sec t ) - 9 ) \mathbf { j } + 9 \mathbf { k } , - \pi / 2 < \mathrm { t } < \pi / 2$$

• A) \(\mathbf { a } = ( \cos t ) \mathbf { T } + ( \cos t ) \mathbf { N }\)
• B) \(a = \left( \sec ^ { 2 } t \right) T + ( \cos t ) \mathbf { N }\)
• C) \(\mathbf { a } = ( \csc t ) \mathbf { T } + ( \sec t ) \mathbf { N }\)
• D) \(\mathbf { a } = ( \sec t \tan t ) \mathbf { T } + ( \sec t ) \mathbf { N }\)

Gain knowledge on specialized negotiable instruments and the legal implications of their terms, such as traveler's checks and the judgment rate.

Understand the fundamental principles of metric fits and their applications in engineering.

Identify and interpret tolerance symbols and their significance in design specifications.

Differentiate between various types of fits (e.g., close running, sliding, loose running, force) and their appropriate applications.

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