ECZ 2017 · O-Level Paper 1 — Travel Graphs

The diagram below shows a speed-time graph of a car journey. Find the acceleration during the first 5 seconds.

Diagram for ECZ 2017 · O-Level Paper 1
  • A. 6 m/s2
  • B. 5 m/s2
  • C. 30 m/s2
  • D. 150 m/s2

Verified working — step 1

On a speed-time graph, acceleration is the gradient - the speed gained each second.

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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