ECZ 2015 · O-Level Paper 1 — Travel Graphs
The figure shows the speed–time graphs of cars driven by Sulanji and Lumbwa. Find the acceleration of Sulanji's car during the first 10 seconds.
- A. 3 m/s2
- B. 30 m/s2
- C. 13 m/s2
- D. 300 m/s2
Verified working — step 1
Acceleration is the gradient of the speed-time graph - speed gained over time taken.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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