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A hora civil de Greenwich= 123000, atracados en Puerto Sherry, el capitán del yate "Albatros" calcula la distancia ortodrómica que les separa de Mindelo: WPT salida = 36º 32,5'N – 006º 19,2'W. WPT lIegada = 21º 05,4'N – 016º 22,8'W.At Greenwich civil time 123000, berthed in Puerto Sherry, the master of the yacht “Albatros” works out the great circle distance to Mindelo: Departure WPT = 36º 32.5'N – 006º 19.2'W. Arrival WPT = 21º 05.4'N – 016º 22.8'W.
Show the answer
Correct answer: b) 1065.7’
Why it is correct
The formula gives 17º 45.7′, or 1065.7 miles.
Why the others are not
- a) It does not match the working.
- c) It does not match the working.
- d) It does not match the working.
How to work it out in the exam
- cos D = sin l1 sin l2 + cos l1 cos l2 cos ΔL, with south latitude negative.
- Turn D into minutes: each minute is a mile.
Where this question comes from
- Región de Murcia · 2019 · 2ª convocatoria · CY Tipo 1 · question 11 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.