An airplane flew from Manila (14° 36′ N, 121° 05′ E) at an average speed of 600 kph on a course S 320 E. 7. How long will it take to reach the equator? 8. At what point will it cross the equator? 9. What is the course of the airplane at the equator? Answer: (8) 3.17 hours; (9) 130° 2′ E; (10) S 30° 51′ E
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