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The knot (/ n ɒ t /) is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h (approximately 1.151 mph or 0.514 m/s). The ISO standard symbol for the knot is kn.
- Knotted Cord
A knotted cord was a primitive surveyor's tool for measuring...
- Knot (speed)
A knot is a unit of speed. It is abbreviated kt or kn. It is...
- Knotted Cord
Knot board [] on Elbe 1 (ship, 1965). A knot is an intentional complication in cordage which may be practical or decorative, or both. Practical knots are classified by function, including hitches, bends, loop knots, and splices: a hitch fastens a rope to another object; a bend fastens two ends of a rope to each another; a loop knot is any knot creating a loop; and splice denotes any multi ...
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Is a knot a unit of speed?
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What are knots & how are they measured?
A knot is a unit of speed based on the nautical mile. One knot is the same as one nautical mile per hour. Therefore, one knot is equal to 1.1508 statute miles per hour (1.1508 mph). The internationally recognized symbol for the knot by the ISO and the Institute of Electrical and Electronics Engineers is kn.
A knot came to mean one nautical mile per hour. Therefore, a ship traveling at 15 knots could go 15 nautical miles per hour. For a number of years, there was disagreement among various nations ...
Written by John Prescott, Cutty Sark volunteer. You've most probably heard the term ‘knots’ referring to the unit in which a ship’s speed is measured. Learn more about the origin of the term and how knots are measured.
The vacuum magnetic permeability (variously vacuum permeability, permeability of free space, permeability of vacuum), also known as the magnetic constant, is the magnetic permeability in a classical vacuum. It is a physical constant, conventionally written as μ 0 (pronounced "mu nought" or "mu zero").
