Question

on a position vs. time graph for an object, a horizontal line segment indicates that the object is (1 point)
not moving and is at rest
moving at a constant rate.
at its starting location.
located at ground level.

Explanation:

In a position - time graph, the slope represents velocity. A horizontal line has a slope of 0, meaning zero velocity, which indicates the object is at rest.

Answer:

not moving and is at rest