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# What happens when a quick turn is made at high speed on a boat?

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## Related Questions

###### Asked in Boats and Watercraft

### Why does a boat accelerate faster when the speed is slow?

Acceleration is a quotient of the change in velocity per
interval of time. Therefore, as long as there is enough
accelerative force to have a high quotient, then speed does not
affect acceleration.
HOWEVER, in reality, such forces are not unlimited. Also, one
must consider drag (aerodynamic and aquadynamic). So, yes, a boat
(or car, or Olympic runner) will accelerate more swiftly from a
slow speed to a high one, than from a high speed to an even higher
one.

###### Asked in Physics, Boats and Watercraft

### How can a slowly docking boat and a speeding rifle bullet both have a large amount of momentum?

Momentum = mass * Velocity. Boat has large mass but low
velocity
Bullet has small mass but high velocity.
Momentum is a function of speed and mass. A slowly docking boat
has a low speed, but the boat will have huge mass, therefore the
momentum will be a large amount. The bullet has very low mass, but
huge speed, and so, again, the momentum will be large.

###### Asked in Powerboats, Houseboats, Watercraft Hull Maintenance

### How does the shape of a boat's hull affect the speed?

How does hull shape affect the speed of a boat? When trying to
get the most speed out of your boat, you may want to consider how
the hull shape affects the speed of the boat. "Hydrodynamic" is a
term that is used when determining the motion or flow of water. It
is similar to the more familiar term "aerodynamic," which relates
to the flow of air. The speed of a boat is correlated to its
hydrodynamic efficiency, and the hydrodynamic efficiency is
determined by the shape of the hull of the boat.
The hull of the boat is the first area to be hit by water as you
speed forward. A round or square hull will connect with the water
like a force that is pushing against it. As the force of the water
hits the boat hull straight on, the boat must push the water out of
the way before it can attain optimal speed. This limitation of the
boat's ability to get to a higher speed quickly is known as drag,
and is affected by the hull shape.
A boat hull shape that is pointed allows the water to flow
around the boat quickly. The less water that the hull needs to move
out of the way, the faster the boat will go. How hull shape affects
the speed of a boat is one factor that the military had taken into
consideration when they started to build the V-shape hull design.
This shape offers the most hydrodynamic efficiency, which gives the
military a boat that can cut across water with little drag and
perform well at high speeds.