Multiple choice

______ is a measure to know the speed of a ship.

  1. Knot

  2. Volt

  3. Mac

  4. Bar

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A knot is indeed a measure of speed for ships (and aircraft). One knot equals one nautical mile per hour, which is approximately 1.852 km/h or 1.151 mph. It has been used in maritime navigation for centuries and is based on the length of a nautical mile.

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