Chart Navigation & Plotting · Speed-Time-Distance — Distance Run
At 21 knots, how far does a vessel travel in 40 minutes?
- A14.0 NM✓ Correct
- B12.6 NM
- C8.4 NM
- D21.0 NM
Explanation
Distance = speed × time = 21 kt × (40/60) h = 21 × 0.6667 = 14.0 NM.
Authority: Bowditch (Pub. No. 9), Speed-Time-Distance
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