Question

What does a horizontal line on a speed-time graph represent if the line is at 0 m/s?

A. constant speed
B. increasing speed
C. decreasing speed
D. at rest

Answer 1

Answer:

A

Explanation:

positive linear slope= increasing at constant rate

negative linear slope= decreasing at constant rate

intersect at x-axis- velocity= 0 m/s (at rest)