The Light List indicates that a light has a...

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Question 1 of 2066636ee928f7522a1c519a92

The Light List indicates that a light has a nominal range of 18 miles and is 38 feet high. If the visibility is 6 miles and your height of eye is 15 feet, at which distance will you sight the light?

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Question 1 of 20

66636ee928f7522a1c519a92

The Light List indicates that a light has a nominal range of 18 miles and is 38 feet high. If the visibility is 6 miles and your height of eye is 15 feet, at which distance will you sight the light?

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🔍 Key Concepts

• Luminous range vs. geographic range of a light • How meteorological visibility limits what you can see • Using height of eye and light height to find the distance to the horizon for each

💭 Think About

• Think about which is smaller at any given time: the light’s nominal range, the geographic range based on heights, or the visibility in miles • Ask yourself: Do you first find how far away the curvature of the earth lets you see the light, then compare that to the effect of the 6‑mile visibility? • Consider whether poor visibility can reduce the usable range of a light that is otherwise visible much farther away.

✅ Before You Answer

• Be sure you know the difference between nominal range (from the Light List) and geographic range (from heights) • Confirm you apply the correct distance-to-horizon formula or table for both the light’s height and your height of eye, then add them • After computing geographic range, compare it carefully with the 6‑mile meteorological visibility and the 18‑mile nominal range before choosing.

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Question 1 of 2066636ee928f7522a1c519a92

The Light List indicates that a light has a nominal range of 18 miles and is 38 feet high. If the visibility is 6 miles and your height of eye is 15 feet, at which distance will you sight the light?

Back

Question 1 of 20

66636ee928f7522a1c519a92

The Light List indicates that a light has a nominal range of 18 miles and is 38 feet high. If the visibility is 6 miles and your height of eye is 15 feet, at which distance will you sight the light?

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

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed