Navigation General · Time-Speed-Distance
Using the 60 D = S × T formula, how long will it take a vessel traveling at 15 knots to cover 45 nautical miles?
- A2 hours 00 minutes
- B3 hours 00 minutes✓ Correct
- C2 hours 30 minutes
- D1 hour 45 minutes
Explanation
T = (60 × D) / S = (60 × 45) / 15 = 2700 / 15 = 180 minutes = 3 hours 00 minutes.
Authority: Bowditch (Pub. 9), Ch. 7
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