ECZ 2016 · GCE Paper 1 — Travel Graphs

In the same journey (30 m/s constant speed until t = 80 s, rest at 100 s), calculate the retardation in the last part of the journey.

Diagram for ECZ 2016 · GCE Paper 1
  • A. 3 m/s2
  • B. 0.5 m/s2
  • C. 1.5 m/s2
  • D. 2 m/s2

Verified working — step 1

Retardation is speed lost per second - read both numbers off the FINAL segment only.

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.

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