Determine the time after 0300 CST (ZD +6)...

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Question 1 of 2066636ee928f7522a1c519585

Determine the time after 0300 CST (ZD +6) when the velocity of the tidal current will be 0.5 knot on 16 April 1983, at Port Arthur Canal Entrance, TX.

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66636ee928f7522a1c519585

Determine the time after 0300 CST (ZD +6) when the velocity of the tidal current will be 0.5 knot on 16 April 1983, at Port Arthur Canal Entrance, TX.

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🔍 Key Concepts

• Tidal current tables and diagrams for Port Arthur Canal Entrance, TX • Relationship between time before/after slack water and current velocity • How to interpolate between listed times and current speeds to find 0.5 knot

💭 Think About

• First, identify whether the relevant 0.5‑knot value occurs on the flood or ebb side of the current curve after 0300 CST. Which side applies here? • Look at the listed current speeds at known times after 0300. Between which two times does the current change from weaker than 0.5 knot to stronger than 0.5 knot (or vice versa)? • Once you find that interval, how can you use proportional (linear) interpolation between the two speeds and times to estimate exactly when the speed is 0.5 knot?

✅ Before You Answer

• Confirm you are using the correct date and location (16 April 1983, Port Arthur Canal Entrance, not a different station). • Verify all times are kept in CST (ZD +6) and that no time-zone correction is missed. • Double-check that you used linear interpolation correctly: ratio of speed change matches ratio of time change between the two bounding tabulated points.

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Question 1 of 2066636ee928f7522a1c519585

Determine the time after 0300 CST (ZD +6) when the velocity of the tidal current will be 0.5 knot on 16 April 1983, at Port Arthur Canal Entrance, TX.

Back

Question 1 of 20

66636ee928f7522a1c519585

Determine the time after 0300 CST (ZD +6) when the velocity of the tidal current will be 0.5 knot on 16 April 1983, at Port Arthur Canal Entrance, TX.

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

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Quick actions

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