ECZ 2018 · O-Level Paper 1 — Earth Geometry
A plane leaves a town P(0°, 30°W) and flies due East to a town Q(0°, 50°E) in 3 hours. The distance between P and Q is 4 800 nm. (b) If the plane leaves P at 06 00 hours, what time will it arrive at Q?
- A. 14 20 hours
- B. 03 40 hours
- C. 11 20 hours
- D. 09 00 hours
Verified working — step 1
Two clocks are moving here: the flight takes 3 hours, AND Q's local clock runs ahead of P's. Add both effects.The full step-by-step working and final answer, plus the video lesson for this topic, 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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