Physics for IGCSE & O level - Forces And Motion (Section 8 - No. 10)
What does the text say about using the gradient in a distance-time graph?
It's equal to the acceleration
It's equal to the velocity
It tells you how much extra distance is covered in a period of time
It's equal to the speed.
解释
The gradient shows how much extra distance is traveled in a given time on a distance-time graph.