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cloveb cloveb
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Valued Member
Posts: 782
6 years ago
City A is 50 km north of city B. A plane flies with constant speed of 60 m/s relative to the air. The wind blows toward the east with speed 30 m/s. The pilot aims the plane so that it travels along a straight lines from B to A. How much time is required for the plane to travel from B to A?

(1) 960 s (2) 480 s (3) 1150 s (4) 1350 s (5) 1620 s

PHY 2053 Exam
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