A whistle
No BTU are required in order to lowerthe temperature of water. All you have to dois place the water in an environment that is cooler than the water is, then stand backand watch the temperatue of the water drop while the BTU flow out of it.
12L
12 l
A "knot" is the measurment of speed for ships and boats in the water. 1 knot is 1.150779 mph 1 knot is 1.852 km/h
A PFD for everyone onboard
Why do motor boats spit out water
Yes, radio controlled boats do work on the water. In fact there are some boats that can reach over 140mph. The radio controlled boats are engineered to work great on water.
Water
Yes, salt water is denser than fresh water so boats float higher in salt water.
Jet drives are used commonly for boats designed for shallow water conditions. Jet boats can have inboard or outboard jet drives.
To travel on water.
In the water.
Sometimes they do.
boats help us because they are used for transportation in water without it we would be swimming across water. :)
Cigarette boats are boats that are made for speed. Near my cottage there is a race and it is with cigarette boats.The don't sit in the water like most boats but lift themselves up almost onto the water. This is how they can go so fast, they only need to go through the air and not the air and water.
without boats we won't be able to fish or travel long distances in water
Crewmen aboard warships at sea; Brown Water Sailors operate Riverine Boats (Swift Boats, PBR's, Monitors, and Alpha Boats during the Vietnam War/Brown Water Navy disbanded in 1970 in Vietnam).