At 1430 on 13 August, you pass Carolina...

Question 1 / 2066636eea28f7522a1c51aace

Question 1 of 2066636eea28f7522a1c51aace

At 1430 on 13 August, you pass Carolina Landing Light (mile 508.8 AHP). What has been the average current since 0230, 13 August if you have been making turns for 8.0 mph?

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Question 1 of 20

66636eea28f7522a1c51aace

At 1430 on 13 August, you pass Carolina Landing Light (mile 508.8 AHP). What has been the average current since 0230, 13 August if you have been making turns for 8.0 mph?

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🔍 Key Concepts

• Speed over ground vs. speed through the water and how current affects them • How to calculate average current when you know distance made good and engine speed (turns for speed) • Time interval from 0230 to 1430 and how far you should have gone at 8.0 mph in that time

💭 Think About

• First, figure out how many hours passed between 0230 and 1430, then calculate how far you would travel in still water at 8.0 mph in that time. How does that compare to your actual progress along the river miles? • Use the idea: speed over ground = speed through water ± current. Once you know your actual speed over ground from the chart, what must the current have been? • Look at the answer choices. Which ones are realistic for a river current compared to your engine speed of 8.0 mph?

✅ Before You Answer

• Carefully compute the elapsed time between 0230 and 1430 and convert it to hours in decimal form before multiplying by 8.0 mph. • From the river miles on the chart, find the actual distance made good over the ground between your starting point at 0230 and Carolina Landing Light at 1430. • Check the sign: is the current with you (faster over ground) or against you (slower over ground), and choose the answer that matches the magnitude of that current.

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Question 1 of 20

At 1430 on 13 August, you pass Carolina Landing Light (mile 508.8 AHP). What has been the average current since 0230, 13 August if you have been making turns for 8.0 mph?

5.7 mph

0.5 mph

1.5 mph

8.5 mph

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Question 1 / 2066636eea28f7522a1c51aace

Question 1 of 2066636eea28f7522a1c51aace

At 1430 on 13 August, you pass Carolina Landing Light (mile 508.8 AHP). What has been the average current since 0230, 13 August if you have been making turns for 8.0 mph?

Back

Question 1 of 20

66636eea28f7522a1c51aace

At 1430 on 13 August, you pass Carolina Landing Light (mile 508.8 AHP). What has been the average current since 0230, 13 August if you have been making turns for 8.0 mph?

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