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Q: How many days to sail 1500 nm at 5 knots?
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How many days to sail 250 nautical miles at 7 knots?

1 knot = 1 nautical mile per hour. 250 / 7 = 35 5/7 hours (35 5/7) / 24 ~= 1.49 days (a little under a day and a half).


How long does it take to sail 100 nautical miles at 5 knots?

20 hours ! 1 knot is 1 nautical mile per hour.


How long does it take to sail 535 nautical miles at 6 knots?

One knot is equal to 1 nautical mile per hour. So for 535 nautical miles at 6 knots, 535 nautical miles/6 knots=535 nautical miles/6 nautical miles per hour=535/6 hours which is about 89.2 hours (89 hours and 10 minutes).


How fast in mph is 30 knots?

its ± 34.6 mph.30 knots = 34.52 mphIf you meant nautical miles, then 30. Nautical Miles (per hour) and knots are basicly the same thing. the only difference is knots is based over seas soley due to raising and lowering tide levels (make it less accurate than physical distance) mile however is the distance of the ground. this is why most boats and all military have to recheck there voyage distance before setting sail as the tide may add or remove distance on them.1 knot means 1 nautical mile per hour. The nautical mile used to be 6080 ft but it is now defined as exactly 1852 meters which makes it 6076 ft. The ratio to a normal mile is 1.1508, so 30 knots = 34.52 mph


A sail boat has a mast that holds a triangular sail. The sail has a base of twelve meters and a height of nine meters. The cost of the sail is 15 per square meter.What will it cost to make the sail?

Because your right triangle is half of a rectangle, you would multiply one measurement by the other and then divide that by two. Then multiply that by 15 per square meter. Unfortunately, this will UNDER estimate your cost, as the triangular sail's hypotenuse is NOT a straight line. But it'll get you 'in the ballpark'.