ECZ 2019 · O-Level Paper 1 — Travel Graphs
The diagram below is the speed time graph of a car. The car starts from rest and accelerates uniformly at 2 m/s2 for t seconds until it reaches a speed of 16 m/s. It then travels at 16 m/sfor 40 seconds, after which it comes to rest in a further 10 seconds. Find the (a) value of t.
- A. 4 seconds
- B. 16 seconds
- C. 8 seconds
- D. 32 seconds
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.
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