Formula for sailing problems, formula for ship sailing

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1) General formula: hydrostatic speed (boat speed) + water flow speed (water speed) = downstream speed; Ship speed - water speed = speed against the current; (Downstream speed + Reverse water speed) 2=Boat speed; (Velocity against the water) 2 = velocity of the water.

2) The formula for two ships sailing in opposite directions: Ship A's downwater speed + Ship B's counter-current speed = Ship A's hydrostatic velocity + Ship B's hydrostatic speed.

3) The formula for two ships sailing in the same direction: Rear (front) ship hydrostatic velocity - front (rear) ship hydrostatic velocity = speed of two ships decreasing (expanding) the distance.

The main thing is to look at the topic and use it according to the situation.

1) General Formula:

Hydrostatic speed (boat speed) + current velocity (water speed) = downstream speed;

Ship speed - water speed = speed against the current;

(Downstream speed + Reverse water speed) 2=Boat speed;

(Velocity against the water) 2 = velocity of the water.

2) The formula for two ships sailing in opposite directions:

Ship A's downwater speed + Ship B's upriver speed = Ship A's spondy speed + B's steady velocity.

3) The formula for two ships sailing in the same direction:

Rear (front) ship hydrostatic velocity - front (rear) ship hydrostatic velocity = speed of the distance between the two ships to shrink (lengthen).

The formula for the voyage of the ship is as follows:Boat Sailing Formula in Water Speed Formula Ship speed down the water = speed of the boat in still water + speed of the current speed of the boat against the water = speed of the boat in still water - speed of the current.

The development of the steamship propulsion mode has gone through two ways, one is the primitive human trampling wooden wheel propulsion, and the other is the modern mechanized propeller propulsion.

Modern steamships refer to ships propelled by mechanical engines, mostly made of steel.

The primitive steamship was propelled by human trampling on wooden wheels, while modern steamships were steamships that propelled external paddle paddle paddles with steam, and modern steamships used turbine engines in the past.

Downstream speed = hydrostatic speed (boat speed) + current velocity (water speed) Reverse water speed = boat speed - water speed.

(Downstream speed + Reverse water speed) 2=Boat speed;

(Velocity against the water) 2 = velocity of the water.

The formula for the velocity against the water is:

Reverse water velocity = hydrostatic velocity - velocity of water flow;

The velocity of the water = the velocity of the hydrostatic water + the velocity of the water flow.

This is a problem of flowing water, that is, the speed at which the boat is sailing in rivers and lakes and is affected by the current.

So what should I do? What if there is only the time from A to B, and the time from B to A, and the speed of the water?

The formula for the problem of flowing water boating: f g h l. The problem of running water is also called the running water problem, which refers to the fact that when the ship is sailing in the river, in addition to its own forward speed, it is also pushed or reversed by the flowing water, in which case the speed, time and distance traveled by the ship are calculated.

Water, with the chemical formula h?O, an inorganic substance composed of hydrogen and oxygen, is non-toxic and drinkable. It is a colorless and odorless transparent liquid at room temperature and pressure, and is known as the source of human life.

Coarse water is one of the most common substances on the earth, and it is an important resource for the survival of all life, including inorganic chemistry and human beings, and it is also the most important component of living organisms.

The formula for the problem of running water boats: (boat speed + water speed) Downstream time = Downstream stroke, (Boat speed Water speed) Reverse water time = Reverse water stroke, (Downstream speed + Reverse water speed) 2 = Hydrostatic speed, (Downstream cluster imitation speed, Reverse water speed) 2 = Water speed.

The ship is a means of transportation or operation that can be navigated or moored in the waters, and has different technical performance, equipment and structural types according to different use requirements; And the boat is also a man-made vehicle that operates mainly in geographic water.

Times. Boat speed + water speed) Downwater time = downwater trip.

Boat speed + water speed = downstream speed.

Against the water. Boat speed Water speed) Time against the water = Travel against the water.

Ship speed - water speed = speed against the current;

Still water. Downstream speed + reverse water speed) 2 = hydrostatic speed (boat speed).

Water velocity. (Velocity against the water) 2 = velocity of the water.

Flowing water boating problems:

When a ship sails in a river, in addition to its own forward speed, it is also pushed or reversed by the flowing water, and the calculation of the sailing speed, time and distance traveled by the ship in this situation is called the flowing water sailing problem.

The boat itself has power, and even if the water does not flow, the boat has its own speed, but in the flowing water, it is either pushed by the flowing water, or it is pushed by the flowing water, or it is pushed by the flowing water, which makes the speed of the boat change in the flowing water, while the bamboo raft and the like have no speed, its speed is the speed of the water.