You are sailing at 8 knots on a beam reach...

Question 1 / 2066636ee728f7522a1c518831

Question 1 of 2066636ee728f7522a1c518831

You are sailing at 8 knots on a beam reach in an apparent wind of 25 knots. Which statement is TRUE?

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Question 1 of 20

66636ee728f7522a1c518831

You are sailing at 8 knots on a beam reach in an apparent wind of 25 knots. Which statement is TRUE?

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🔍 Key Concepts

• Apparent wind vs true wind when a sailboat is moving, especially on a beam reach • How boat speed and wind angle combine as vectors to change both the strength and direction of apparent wind • How wind behaves with height above the water (wind gradient) and how that affects apparent wind at masthead vs deck

💭 Think About

• Draw a simple vector diagram: one arrow for the true wind across the beam, another opposite your course for boat speed. What does the combined (apparent) wind vector look like? • As you turn from a beam reach toward a close reach (more into the wind), what happens to the angle and length of the apparent wind vector? Stronger, weaker, or the same? • Compare the air flow near the sea surface with the air flow higher up. Which is usually faster, and how would that change the apparent wind at the top of the mast?

✅ Before You Answer

• Be clear on the difference between true wind direction and apparent wind direction on a moving boat • Check whether turning closer to the wind normally increases or decreases apparent wind speed on a sailboat at steady boat speed • Remember that wind speed generally increases with height above the water due to reduced friction; think about how that affects apparent wind at deck level vs masthead

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Question 1 of 20

You are sailing at 8 knots on a beam reach in an apparent wind of 25 knots. Which statement is TRUE?

The true wind is a little abaft your beam, at just under 25 knots.

The apparent wind at the top of your mast will be slightly stronger than 25 knots and slightly farther forward than the wind at deck level.

If you turn to a close reach, the apparent wind will reduce in strength.

None of the above are true.

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Question 1 / 2066636ee728f7522a1c518831

Question 1 of 2066636ee728f7522a1c518831

You are sailing at 8 knots on a beam reach in an apparent wind of 25 knots. Which statement is TRUE?

Back

Question 1 of 20

66636ee728f7522a1c518831

You are sailing at 8 knots on a beam reach in an apparent wind of 25 knots. Which statement is TRUE?

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