Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 5 - No. 10)
If an object's speed increases at a constant rate, what does the speed-time graph look like?
A horizontal line
A straight line with a positive slope
A straight line with a negative slope
A curved line
คำอธิบาย
Constant acceleration (speed change) means straight, non-horizontal line.