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15. Omar wants to cross a river that is 220 meters wide. The river flows at 5 m/s and Omar's destination is located at S 60 W from his starting position. If Omar can paddle at 4 m/s in still water. (Hint: Sketch the diagram to find the expressions).

15. Omar wants to cross a river that is 220 meters wide. The river flows at 5 m/s and Omar's destination is located at S 60 W from his starting position. If Omar can paddle at 4 m/s in still water. (Hint: Sketch the diagram to find the expressions).

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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15. Omar wants to cross a river that is 220 meters wide. The river flows at 5 m/s and Omar's destination is located at S 60 W from his starting position. If Omar can paddle at 4 m/s in still water. (Hint: Sketch the diagram to find the expressions). a) In which direction (angle) should Omar paddle to reach his destination? b) How long will the trip take to reach his destination?
Transcribed Image Text:15. Omar wants to cross a river that is 220 meters wide. The river flows at 5 m/s and Omar's destination is located at S 60 W from his starting position. If Omar can paddle at 4 m/s in still water. (Hint: Sketch the diagram to find the expressions). a) In which direction (angle) should Omar paddle to reach his destination? b) How long will the trip take to reach his destination?
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