Your 2108 position is LAT 41°10.0'N, LONG...

Question 1 / 2066636eea28f7522a1c51aca7

Question 1 of 2066636eea28f7522a1c51aca7

Your 2108 position is LAT 41°10.0'N, LONG 72°30.0'W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41°12.1'N, LONG 72°53.8'W)?

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Question 1 of 20

66636eea28f7522a1c51aca7

Your 2108 position is LAT 41°10.0'N, LONG 72°30.0'W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41°12.1'N, LONG 72°53.8'W)?

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🔍 Key Concepts

• Using latitude and longitude to find distance between two positions on a small-scale chart (difference in longitude at given latitude) • Speed-time-distance relationship: ( \text{Time} = \frac{\text{Distance}}{\text{Speed}} ) • Converting decimal hours of time into minutes and adding to a given time to find ETA

💭 Think About

• First, look at how far west you must travel from 72°30.0'W to 72°53.8'W at about 41°N. How can you turn that longitude difference into nautical miles? • At 12.5 knots, how long (in hours and minutes) will it take to travel that distance? Write the fraction carefully and keep units straight. • Once you have the travel time, how do you correctly add it to 2108, paying attention to minutes rolling over to the next hour?

✅ Before You Answer

• Confirm the difference in longitude in minutes of arc before converting to miles. • Make sure you use the cosine of the latitude (about 41°N) if you convert longitude difference to distance mathematically, or use the latitude scale on the chart if plotting. • Double-check your time conversion: decimal hours × 60 = minutes, and be sure you add that to 2108 correctly.

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Question 1 of 20

Your 2108 position is LAT 41°10.0'N, LONG 72°30.0'W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41°12.1'N, LONG 72°53.8'W)?

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Question 1 / 2066636eea28f7522a1c51aca7

Question 1 of 2066636eea28f7522a1c51aca7

Your 2108 position is LAT 41°10.0'N, LONG 72°30.0'W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41°12.1'N, LONG 72°53.8'W)?

Back

Question 1 of 20

66636eea28f7522a1c51aca7

Your 2108 position is LAT 41°10.0'N, LONG 72°30.0'W. You are turning for 12.5 knots. What is your ETA at Buoy NH (LAT 41°12.1'N, LONG 72°53.8'W)?

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?

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