Chart Navigation & Plotting · Speed-Time-Distance — Time to Run
At 10 knots, the time to run 25 nautical miles is:
- A2 h 30 m✓ Correct
- B2 h 00 m
- C1 h 30 m
- D3 h 00 m
Explanation
Time = Distance ÷ Speed = 25 ÷ 10 = 2.5 hours = 2 hours 30 minutes.
Authority: Bowditch (Pub. No. 9)
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