Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 2 - No. 25)
In a distance-time graph, what does a straight line with a positive gradient indicate about the motion of an object?
The object is accelerating.
The object is moving at a constant speed.
The object is decelerating.
The object is stationary.
คำอธิบาย
A straight line with a positive gradient represents constant speed.