Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 7 - No. 20)
A car is accelerating. What would the speed-time graph look like?
A horizontal line
A straight line sloping upwards
A straight line sloping downwards
A curved line that is flat
ব্যাখ্যা
Acceleration (increasing speed) is represented by a line with a positive gradient.