Worksheet 81 · Skill 2
Time, speed, distance
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How far do you run at 7.9 kn in 33 minutes?
Distance in nautical miles to two decimals (within 0.05 nm or 2 %).
Distance run: ________ nm
You have 11.4 nm to go at 5.6 kn. How many minutes will it take?
Minutes (within 1 minute). You can type 85 or 1:25.
Time: ________ min
How far do you run at 5.7 kn in 81 minutes?
Distance in nautical miles to two decimals (within 0.05 nm or 2 %).
Distance run: ________ nm
How far do you run at 12.5 kn in 13 minutes?
Distance in nautical miles to two decimals (within 0.05 nm or 2 %).
Distance run: ________ nm
How far do you run at 11.5 kn in 102 minutes?
Distance in nautical miles to two decimals (within 0.05 nm or 2 %).
Distance run: ________ nm
You have 16.1 nm to go at 13.4 kn. How many minutes will it take?
Minutes (within 1 minute). You can type 85 or 1:25.
Time: ________ min
You ran 15.7 nm between two fixes 112 minutes apart. What was your speed over the ground?
Knots to one decimal (within 0.1 kn or 2 %).
Speed: ________ kn
How far do you run at 13.9 kn in 38 minutes?
Distance in nautical miles to two decimals (within 0.05 nm or 2 %).
Distance run: ________ nm
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Distance run: 4.35 nm | No. 81001 (worked solution) |
| 2 | Time: 122 min | No. 81002 (worked solution) |
| 3 | Distance run: 7.70 nm | No. 81003 (worked solution) |
| 4 | Distance run: 2.71 nm | No. 81004 (worked solution) |
| 5 | Distance run: 19.55 nm | No. 81005 (worked solution) |
| 6 | Time: 72 min | No. 81006 (worked solution) |
| 7 | Speed: 8.4 kn | No. 81007 (worked solution) |
| 8 | Distance run: 8.80 nm | No. 81008 (worked solution) |