Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 7 - No. 30)
If an object is stationary, what will its speed-time graph look like?
A horizontal line along the time axis.
A straight diagonal line sloping upwards.
A straight diagonal line sloping downwards.
A curve
Giải thích
If the object is not moving, the speed will be zero at all times, represented by a line on the time axis.