ECZ 2025 · O-Level Paper 1 — Travel Graphs
The diagram shows the speed-time graph of a moving object. Calculate the average speed of the object in the first 14 seconds.
- A. 12.5 m/s
- B. 10 m/s
- C. 15 m/s
- D. 17.5 m/s
Verified working — step 1
Average speed = total distance ÷ total time, and the distance is the whole area under the graph up to 14 s.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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