A piece of wood was thrown from the ship into the sea, with a thin rope attached to it. As the ship sailed on, the wood remained bobbing in the water at about the same place; the rope unwound as the ship sailed by and away from the wood. By leaving the wood, or “log” as English sailors called it, in the water for a minute . . . the seaman would know how far the ship had traveled in that time, and so work out how far it had traveled in an hour. . . . [i]f a knot were tied in the rope every one-sixtieth of a mile, all a sailor had to do was to count the knots as he pulled in the rope, and he would know how many miles per hour his ship was traveling.”
How did tying knots in the rope make the job of figuring out how far a ship had traveled easier
do not make me regert typing all of this
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A piece of wood was thrown from the ship into the sea, with a thin rope attached to it. As the ship...
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