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In a wind of speed 140 km/h, blowing from a bearing of 230, the aircraft flies due east. Find

i, the course set by the pilot

ii, the time taken for the aircraft to travel 100 km.

b,To a cyclist traveling due east at 18 km/h the wind appears to be blowing at 12 km/h from a bearing of 150. Find the true wind-speed and the direction from which the wind is blowing.