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. (a) Calculate its average speed.
- A. 1 600 knots
- B. 14 400 knots
- C. 800 knots
- D. 1 200 knots
Verified working — step 1
Average speed = distancetimeThe 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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