Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 3 - No. 29)
If an object's motion results in a curved line on a distance-time graph, which statement best describes its motion?
The object is moving at a constant speed.
The object is accelerating.
The object is decelerating.
The object is stationary.
Explanation
A curved line on a distance-time graph indicates a change in speed, thus acceleration.
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