depends on the size. a trailer boat=30mph a ski boat=60mph
The average speed of any car should be the posted speed limit.
Generally, the average car speed is whatever the speed limit is. While some go over and under, others stay right on the speed limit, making it the average.
No the boat was sailing at an average speed
The average speed is(4 x the number of nautical miles the boat traveled in that time) knots.
Depends how fast your boat is. There is no speed limit in the ocean.
a sail boat can go twice the speed of the wind in optimal conditions. speedboat 30-40
Whatever the posted speed limit is +or- 5 mph.
The average speed of boat in kilometers is per hour is 20 km /hr.
30km/hr
A average speed system is usually when road works are taking place they set a speed e.g 50mph but the average amount of cars that travel through are going at 60mph so that's the average speed limit they then calculate to a certain speed and they help the government set a speed limit for that distance and try help speeding!
Information about the speed of the car provides no information whatsoever about the speed of a boat!
it is 56 miles in hour.