ECZ 2020 · GCE Paper 1 — Travel Graphs
A sprinter runs a race of 200m. Her total time for running the race is 25 seconds ending at U m/s. Below is a sketch of the motion of the sprinter. Calculate the (a) acceleration in the first 4 seconds.
- A. 9 m/s2
- B. 2.25 m/s2
- C. 4 m/s2
- D. 36 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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