ECZ 2024 · GCE Paper 1 — Travel Graphs
An object accelerates uniformly from 0 m/sto 20 m/sin 4 seconds, moves steadily at 20 m/sfrom 4 to 10 seconds, and then slows uniformly to rest at 15 seconds. Find the acceleration in the first 4 seconds.
- A. 80 m/s2
- B. 4 m/s2
- C. 5 m/s2
- D. 20 m/s2
Verified working — step 1
Acceleration = change in speedtimeThe 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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