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Page "Boat" ¶ 50
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If and boat
If your state has no provisions for the numbering of pleasure boats, you must apply for a number from the U.S. Coast Guard for any kind of boat with mechanical propulsion rated at more than 10 horsepower before it can be used on Federal waterways.
If weight is added to the boat, the volume below the waterline will increase to keep the weight balance equal, and so the boat sinks a little to compensate.
If the hydrofoils hit something the boat will fall off the foils and this often creates a perception of increased danger.
* If a storm or wave capsizes a small monohull, it may recover when the weight of the ballast in the keel rights the boat, if it does not broach and sink before it recovers.
If the boat is powerful enough, two or three people can parasail behind it at the same time.
If weather helm builds further, it can limit the ability of the helmsman to steer the boat, which can be turned towards but not effectively away from the wind.
# If both sailing vessels are on the same tack, the windward boat gives way to the leeward one ( Rule 12 )
# If a vessel on port tack is unable to determine the tack of the other boat, she should be prepared to give way ( Rule 12 )
If an electric boat has sails as well, and will be used in deep water ( deeper than about 15 m or 50 ft ), then a towed generator can help build up battery charge while sailing ( there is no point in trailing such a generator while under electric propulsion as the extra drag from the generator would waste more electricity than it generates ).
* If the boat has an internal combustion engine anyway, then its alternator will provide significant charge when it is running.
When informed that the film was to be made in Africa, Davis refused the part, telling Jack Warner, " If you can't shoot the picture in a boat on the back lot, then I'm not interested.
If the second course were chosen, the boat would be controlled by the avant standing in front with a long paddle and the gouvernail standing in the back with a nine-foot steering paddle.
If practising live release, it is recommended to call the fish " caught " when it is alongside a boat.
If Atrahasis severed the mooring lines, the runaway boat might go down the river into the Persian Gulf.
If a dinghy is towed, an extra line with a loop in the end ( known as a lazy painter ) can be attached to a dinghy so that if the towing line breaks, there is a line to grab with a boat hook.
If the boat is not horse-drawn, it may have a refurbished, slow-revving, vintage diesel engine, and there are even some steam-driven narrow boats such as the ex-Fellows Morton and Clayton steamer President.
If the ship is very small, it is called a boat grave.
If the festival is next to a lake, renting a boat is also an attraction.
If a person came via boat, then they would remain a few days in Genoa.
* Rock splats – If the rafters load the back of the raft, they can paddle the raft into a rock on the river, having it hit the bottom of the boat instead of the nose ; if done correctly this can raise the raft up vertically on its stern.
If this happens, it is likely that the whole boat will get pulled under water.
If the central points of the application of those two forces coincide, the boat moves steadily sideways.

If and floats
If the needle floats on top of the water instead of sinking, it proves the girl is a skilled embroideress.
If the overall density is less than the density of water, the object rises until it floats on the surface.
If for some event the rider and sled do not complete the course, the rider releases the buoy from the snowmobile so that it floats to the surface and marks the sled for retrieval.
* If the cook wants to remove the fat, after the stock is finished it is cooled and the fat, which floats, separates and solidifies into globs within the stock, which can be removed with ease.
If there are warp floats on the technical face ( if the warp crosses over two or more wefts ), there will be filling floats ( the weft will cross over two or more warps ) on the technical back.
If the weight of the object is less than this displaced quantity, the object floats ; if more, it sinks.
If its API gravity is greater than 10, it is lighter and floats on water ; if less than 10, it is heavier and sinks.
If the tree falls in the water and floats away it can damage the levee further downstream.

If and mass
If we neglect higher than first order terms in the fluctuations, the mass balance equation becomes
* Continuity: If a certain mass of fluid enters a volume, it must either exit the volume or change the mass inside the volume.
If the path of the particle or centre of mass of the rigid body passes through the given origin, its angular momentum is zero.
If we define r < sub > i </ sub > as the displacement of particle i from the center of mass, and v < sub > i </ sub > as the velocity of particle i with respect to the center of mass, then we have
If a small heater is available for the coldest nights, a slab or basement cistern can inexpensively provide the required thermal mass.
If there are other stars orbiting a black hole, their orbit can be used to determine its mass and location.
If the air mass is colder than the ground below it, it is labeled k. If the air mass is warmer than the ground below it, it is labeled w. While air mass identification was originally used in weather forecasting during the 1950s, climatologists began to establish synoptic climatologies based on this idea in 1973.
If a main-sequence star is not too massive ( less than approximately 8 solar masses ), it will eventually shed enough mass to form a white dwarf having mass below the Chandrasekhar limit, which will consist of the former core of the star.
If is much smaller than, the mass ratio is almost identical to the mass fraction.
If this acceleration is multiplied by the particle mass, the leading term is the centripetal force and the negative of the second term related to angular acceleration is sometimes called the Euler force.
If one item in a package or stack initiates, it will usually propagate to the other items, creating a mass fire.
If we choose the shape of the control volume such that all flow in or out occurs perpendicular to its surface, then the flow of matter into the system performs work as if it were a piston of fluid pushing mass into the system, and the system performs work on the flow of matter out as if it were driving a piston of fluid.
If the primary variable is mass fraction (, given, for example, in ), then the equation changes to:
If disk galaxies merge with another galaxy of comparable mass ( at least 15 percent of its mass ) the merger will likely destroy, or at a minimum greatly disrupt the disk, yet the resulting galaxy is not expected to be a disk galaxy.

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