Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 4 - No. 45)
What would the speed-time graph look like for an object moving at a constant velocity?
A horizontal line
A straight line with a positive slope
A straight line with a negative slope
A curved line
คำอธิบาย
Constant velocity means constant speed in the same direction, represented by a horizontal line on a speed-time graph.