$s ( t )$ Is the Position of a Body Moving Along a Coordinate

question 47

Essay

$s ( t )$ is the position of a body moving along a coordinate line; $s ( t )$ is measured in feet and $t$ in seconds, where $t \geq 0$ . Find the position, velocity, and speed of the body at the indicated time.
$$s ( t ) = \frac { 4 t } { t ^ { 2 } + 1 } ; \quad t = 3$$

---

Definitions:

Scientific Evidence

Information obtained through systematic observation, experimentation, and analysis, used to validate findings and support claims in scientific research.

Evidence-Based Practice

A healthcare approach integrating clinical experience with the best available research evidence and patient values.

Information Retrieval

The process of identifying and obtaining information relevant to a specific topic or question, often within the context of a structured database or the internet.

Managing Human Problems

The process of addressing and finding solutions to issues affecting individuals' mental, emotional, or social well-being.