ECZ 2020 · O-Level Paper 1 — Travel Graphs
For the same journey (52 m/sdecelerating to v = 4 m/sover 6 s, constant for 10 s, then to rest in 4 s), calculate (b) the total distance travelled for the whole journey.
- A. 876 m
- B. 216 m
- C. 200 m
- D. 312 m
Verified working — step 1
Area under the graph = ½(52 + 4)×6 [0-6 s] + 4×10 [6-16 s] + ½×4×4 [16-20 s] = 168 + 40 + 8 = …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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question