The river will be temporarily closed to...

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Question 1 of 2066636eea28f7522a1c51b52a

The river will be temporarily closed to navigation at mile 531.3 AHP due to repairs to the bridge. This will occur at 1300, 5 January, and last for six hours. What minimum speed over the ground must you make from Red River Landing Gage to arrive before commencement of repairs in order not to be delayed?

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Question 1 of 20

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🔍 Key Concepts

• Time-speed-distance relationship for speed over ground in miles per hour • Converting hours and minutes into decimal hours to use in calculations • Understanding river miles (AHP) and using the distance from Red River Landing Gage to mile 531.3

💭 Think About

• How many hours are there between your departure time and 1300 on 5 January, and how will that limit the speed you must maintain? • Once you know the river-mile distance between Red River Landing Gage and mile 531.3 AHP, how do you use the time available to compute the required speed over ground? • After computing the speed, which answer choice is the closest value that is not less than your calculated minimum speed?

✅ Before You Answer

• Be sure you are using distance in river miles that matches the chart or exam reference, not an assumed value • Convert any time differences into decimal hours before dividing distance by time • Verify that your chosen answer is equal to or greater than the minimum speed you calculate, not less

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