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

question 32

Essay

$s ( t )$ is the position of a body moving along a coordinate line, where $t \geq 0$ , and $s ( t )$ is measured in feet and $t$ in seconds.
$$s ( t ) = - 3 + 2 t - t ^ { 2 }$$
a. Determine the time(s) and the position(s) when the body is stationary.
b. When is the body moving in the positive direction? In the negative direction?
c. Sketch a schematic showing the position of the body at any time $t$ .

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Definitions:

Limbic System

A complex system of nerves and networks in the brain, involved in instincts and emotions such as fear, pleasure, and anger.

Neural Circuitry

denotes the complex network of neurons connected by synapses in the nervous system, facilitating communication and processing of information.

Sexual Dimorphism

Both internal and external physical differences between the sexes, which increase during the adolescent growth spurt.

Growth Spurt

A rapid period of growth, particularly in height and weight, often occurring during puberty.