You are underway on course 160°T while...

Question 1 / 2066636ee928f7522a1c51a4ed

Question 1 of 2066636ee928f7522a1c51a4ed

You are underway on course 160°T while turning for an engine speed of 10 knots. The current is 210°T at 0.9 knots. What is the speed being made good?

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Question 1 of 20

66636ee928f7522a1c51a4ed

You are underway on course 160°T while turning for an engine speed of 10 knots. The current is 210°T at 0.9 knots. What is the speed being made good?

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🔍 Key Concepts

• Effect of a current on a vessel’s speed made good • Vector addition of ship’s speed through the water and current • Difference between speed through the water and speed over the ground

💭 Think About

• First, imagine there is no current. What would your speed be, and in what direction? • Now think of the current as its own small “velocity arrow.” How does its direction compare to your ship’s course? Is it helping, opposing, or partly sideways? • When two velocities are not exactly in the same or opposite direction, how do you combine them to find the resulting speed made good?

✅ Before You Answer

• Convert the current and ship’s movement into velocity components (north/south and east/west) before combining them • Be careful with angles measured true (°T) and use the correct trigonometric functions for along-track vs cross-track components • After combining components, use the Pythagorean theorem to get the resulting speed and compare it with the choices

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Question 1 of 20

You are underway on course 160°T while turning for an engine speed of 10 knots. The current is 210°T at 0.9 knots. What is the speed being made good?

10.7 knots

11.0 knots

11.6 knots

12.3 knots

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Question 1 / 2066636ee928f7522a1c51a4ed

Question 1 of 2066636ee928f7522a1c51a4ed

You are underway on course 160°T while turning for an engine speed of 10 knots. The current is 210°T at 0.9 knots. What is the speed being made good?

Back

Question 1 of 20

66636ee928f7522a1c51a4ed

You are underway on course 160°T while turning for an engine speed of 10 knots. The current is 210°T at 0.9 knots. What is the speed being made good?

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

• Effect of a current on a vessel’s speed made good • Vector addition of ship’s speed through the water and current • Difference between speed through the water and speed over the ground

💭 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