ECZ 2014 · O-Level Paper 1 — Travel Graphs

For the bus journey shown, V = 20 m/s and the two bus stops are 1 kilometre apart. Find the total time, t, taken for the whole journey, in seconds.

Verified working — step 1

The whole journey is one trapezium of area 1000 m, with parallel sides t and 30 (the constant-speed stretch) and height 20.

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.