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

question 84

Multiple Choice

$\text { For the curve } r ( t ) \text {, write the acceleration in the form aTT } + \text { anN. }$
-r(t) = (cosh t) i + (sinh t) j + tk

• A) \(a = ( - \sinh t ) T + N\)
• B) \(\mathbf { a } = ( \sqrt { 2 } \sinh \mathrm { t } ) \mathbf { T } + \mathbf { N }\)
• C) \(\mathbf { a } = ( - \sqrt { 2 } \sinh t ) \mathbf { T } + \mathbf { N }\)
• D) \(\mathbf { a } = ( \sinh \mathrm { t } ) \mathbf { T } + \mathbf { N }\)

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Definitions:

Overtime

The time worked by an employee or workers beyond the standard hours of work, usually compensated at a higher rate.

Idle Time

Time periods when resources such as personnel or machines are not actively engaged in production, often leading to inefficiency and increased costs.

Direct Labour Expense

The total cost of all the labour directly involved in the production of goods or services.

Manufacturing Overhead

All indirect costs associated with manufacturing, excluding direct materials and direct labor costs.