select the correct answer. the motion of a car on a position - time graph is represented with a horizontal…

select the correct answer. the motion of a car on a position - time graph is represented with a horizontal line. what does this indicate about the cars motion? a. its not moving. b. its moving at a constant speed. c. its moving at a constant velocity. d. its speeding up.
Answer
Brief Explanations:
On a position-time graph, slope equals velocity. A horizontal line has zero slope, indicating zero velocity, so the car is not moving.
Answer:
A. It's not moving.