Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 6 - No. 43)
What is the shape of the speed-time graph that represents a constant positive acceleration?
A horizontal line
A straight line sloping downwards
A straight line sloping upwards
A curve
Vysvětlení
Constant acceleration means a constant rate of change of speed over time, represented by a straight, upwards-sloping line.