ECZ 2021 · GCE Paper 1 — Travel Graphs
From the speed-time graph, the car travels at 18m/s until the 13th second and then decelerates at 3m/s2 until it comes to rest after t seconds. Find the value of t.
- A. 6 s
- B. 16 s
- C. 19 s
- D. 22 s
Verified working — step 1
t marks the END of the whole journey - find how long the final slow-down takes, then add it to when it starts.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