ECZ 2017 · GCE Paper 1 — Travel Graphs
In the same race (12 m/smaintained until the 10th second, then uniform retardation to rest over the last 4 seconds), calculate the retardation at the end of his race.
- A. 4 m/s²
- B. 6 m/s²
- C. 12 m/s²
- D. 3 m/s²
Verified working — step 1
He loses 12 m/sover 4 seconds: retardation = 124= …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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