4 knots top speed was 8 knots
They believe about 20 Knots
we dont know
Yes, for most cruise ships 23 knots is their top speed. The only other ship that goes faster is the Queen Mary 2 at 28 knots, but that makes weekly transatlantic crossings.
Speed is no longer a design criteria for cruise ships.
Usual cruising speed was around 4 or 5 knots. Top speed was about 8. Remember that the speed varies according to the wind.
Sailors in the past used a rope with knots tied on it to measure speed. They would throw the rope overboard from a moving ship and count how many knots passed through their hands in a certain amount of time. This helped them estimate how fast the ship was moving in knots.
34.75 knots
About 9.6 knots.
20.5 Knots = 23.59097868448262 Miles per Hour Using this conversion tool. http://www.calculateme.com/Speed/Knots/ToMilesperHour.htm There you go.
Definitely not... the maximum practical speed, today, is 32-35 knots.
32 knots =34.4