At 0915 zone time on 7 November you depart...

Question 1 / 2066636eea28f7522a1c51a988

Question 1 of 2066636eea28f7522a1c51a988

At 0915 zone time on 7 November you depart Seattle, LAT 47°36.0'N, LONG 122°22.0'W, (ZD +8). You are bound for Kobe, LAT 34°40.0'N, LONG 135°12.0'E, and you estimate your speed of advance at 18.5 knots. The distance is 4,527 miles. What is your estimated zone time of arrival at Kobe?

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🔍 Key Concepts

• Time-Speed-Distance formula for voyage time: Time = Distance / Speed • How to convert decimal hours to hours and minutes • How to adjust from departure zone time (ZD +8) to arrival zone time at Kobe using longitude and standard time zone principles

💭 Think About

• First, compute how many hours the passage will take using the given distance and SOA. Then convert that time into days, hours, and minutes. • Add this steaming time to the departure date and time, staying in the same time zone for now. What calendar date and time do you get in ZD +8? • Next, determine the correct time zone (ZD) for Kobe from its longitude and apply the time zone correction from ZD +8 to Kobe’s ZD. After adjusting, which answer choice matches your final ETA?

✅ Before You Answer

• Carefully do the division: 4527 ÷ 18.5 and be sure you keep at least tenths of an hour for accuracy. • When converting decimal hours to minutes, multiply the decimal part by 60 and round sensibly. • Double-check the direction of time change when moving from a west longitude (Seattle) to an east longitude (Kobe) and ensure the date change (if any) matches your expectation.

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Question 1 / 2066636eea28f7522a1c51a988

Question 1 of 2066636eea28f7522a1c51a988

Back

Question 1 of 20

66636eea28f7522a1c51a988

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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