A plane flying a straight course observes a mountain at a bearing of 35.3° to the right of its course. At that time the plane is 7 kilometers from the mountain. A short time later, the bearing to the mountain becomes 45.3°. How far is the plane from the mountain when the second bearing is taken (to the nearest tenth of a km)? O A. 3.8 km O B. 5.7 km O C. 9.5 km O D. 8.6 km
A plane flying a straight course observes a mountain at a bearing of 35.3° to the right of its course. At that time the plane is 7 kilometers from the mountain. A short time later, the bearing to the mountain becomes 45.3°. How far is the plane from the mountain when the second bearing is taken (to the nearest tenth of a km)? O A. 3.8 km O B. 5.7 km O C. 9.5 km O D. 8.6 km
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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Transcribed Image Text:A plane flying a straight course observes a mountain at a bearing of 35.3° to the right of its course. At that time the plane is
7 kilometers from the mountain. A short time later, the bearing to the mountain becomes 45.3°. How far is the plane from the
mountain when the second bearing is taken (to the nearest tenth of a km)?
O A. 3.8 km
O B. 5.7 km
OC. 9.5 km
O D. 8.6 km
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