Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 4 - No. 29) | ExamPlay

Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 4 - No. 29)

The speed-time graph shows the first 30s of a car's journey. What is the speed of the car after 15 seconds?

10.5 m/s

21 m/s

15 m/s

30 m/s

Explanation

Speed after 15 seconds will be 21 m/s as it travels in a straight line

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