At 2107 Southeast Point Light bears 062°T,...

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Question 1 of 2066636eea28f7522a1c51aca4

At 2107 Southeast Point Light bears 062°T, and at 2112 this light bears 038°T. What is your distance off Southeast Point Light at 2112? (assume no set and drift)

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Question 1 of 20

66636eea28f7522a1c51aca4

At 2107 Southeast Point Light bears 062°T, and at 2112 this light bears 038°T. What is your distance off Southeast Point Light at 2112? (assume no set and drift)

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🔍 Key Concepts

• Running fix using bearings taken at different times • Using the ship’s speed and time run between bearings to find distance off • Understanding how change in bearing relates to distance from the object (relative motion triangle)

💭 Think About

• What is the time difference between the two bearings, and how many minutes of arc (nautical miles) do you travel in that time at your speed? • How can you draw or imagine a sketch where the lighthouse is a fixed point, and your two positions and bearings form a triangle? Which side of that triangle represents your distance off at 2112? • How does the angle between the two bearings help you relate the distance you traveled in 5 minutes to your closest distance to the light?

✅ Before You Answer

• Be sure you convert time difference into hours before using the speed-distance-time formula: ( \text{Speed} = \frac{\text{Distance}}{\text{Time}} ) • Check that you correctly identify the angle between the two bearings (the difference in degrees) and use that angle in your triangle, not the individual bearings themselves. • Verify that the distance you compute for the run between 2107 and 2112 is consistent with a realistic speed in knots likely used in similar exam problems.

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Question 1 of 2066636eea28f7522a1c51aca4

At 2107 Southeast Point Light bears 062°T, and at 2112 this light bears 038°T. What is your distance off Southeast Point Light at 2112? (assume no set and drift)

Back

Question 1 of 20

66636eea28f7522a1c51aca4

At 2107 Southeast Point Light bears 062°T, and at 2112 this light bears 038°T. What is your distance off Southeast Point Light at 2112? (assume no set and drift)

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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