Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 1 - No. 1)
Which of the following statements is/are TRUE regarding the slope of a speed-time graph?
A positive slope indicates constant acceleration.
A horizontal line indicates constant acceleration.
A negative slope represents deceleration.
The steeper the slope, the greater the deceleration.
解释
Positive slope indicates constant acceleration, negative slope means deceleration.