$$\text { Find the tangential component of the acceleration vector. }$$

question 20

Short Answer

$$\text { A particle moves with position function } \mathbf { r } ( t ) = \left( 21 t - 7 t ^ { 3 } - 5 \right) \mathbf { i } + 21 t ^ { 2 } \mathbf { j } \text {. }$$ $$\text { Find the tangential component of the acceleration vector. }$$

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Definitions:

People Unemployed

Individuals who are jobless, actively seeking work, and available to take a job.

People Employed

Refers to the number of individuals in a specific area, sector, or economy who are currently working in paid positions.

Adult Population

The segment of the population that comprises individuals who are considered adults, typically measured by age, and which can participate in activities such as voting and working.

Labor-force Participation Rate

The percentage of the working-age population that is either employed or actively looking for employment.