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by logfromblammo
4447 days ago
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There are approximately 40000 km in a great circle passing through both poles and Paris. 40000 km / 360 degree * 1 degree / 60 arcminute = 1.851... km / polar arcminute if 1 knot is 1 arcminute / hour, then to get the distance in meters per knot, you use the following factors: 1.851... km / hour * 1000 m / 1 km * 1 hour / 60 minutes * 1 minute / 60 seconds * 30 seconds / knot = 15.432 m / knot |
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