Windmills

The sun!!

Global leaders in installed wind energy are Germany at 23,300 MW; US at 20,413 MW; Spain at 15,900 MW; China at 9,000 MW; and India at 8,757 MW. If you find the total energy used in the US then you will have your percentage.

it was first used in 7th century in Persia

Wind energy is captured by the windmill blades as they spin due to the force of the wind. The blades are shaped to capture the kinetic energy of the wind and convert it into mechanical energy. This mechanical energy is then converted into electricity through a generator located inside the windmill.

as tall as they need to be. some may be 140 ft tall.

um i think it was year 1

The Greek inventor, Hero of Alexandria, invented a wind machine that powered an organ in the First Century CE.

Windmills for grinding grain and pumping water were in use in Eastern Persia (now Iraq) in the Ninth Century.

Watermills were in use in Ancient Greece in the Third Century BCE.

the apartment of many people working thinking about what to make and how

I think its in Europe, homie!

I tried looking it up on google, you should try that too:D

a pakiing amount

the purpose of drive shaft is to assist in the generation of electric power in the wind mill

The Netherlands

It depends how big the wind farm is

but it usually is from 50 - 350 windmills in a farm

Large windmills consist of a base, often a building constructed of wood or stone, with a series of blades or sails (the flat or semi-flat pieces), and a gear-box that allow the blades to turn. School projects of small windmills can be made of a can for a base, a thin wooden stick, plastic for the sails, wires.

The related link gives more information.

As wind hits the blades or sails, they begin to turn (aided by the gear box). This turning energy can be harnessed to create power. As a power-producer, windmills reduce reliance on fossil fuels like coal and thereby create cleaner energy sources.

The Dutch have used windmills for centuries. The USA has far fewer windmills, although more individuals have become interested in "wind power", especially over the last 30 years.

they were used for capsureing windthey were used for capsureing wind

what is windmill organizational structure?

Generation of power through windmill , depends upon the BLADE DIAMETER & wind velocity.

in the 17th century

As much as it costs

If the mechanical energy is used to drive machinery, such as for grinding grain or pumping water, the device is called a windmill or wind pump.

india

There is no specific number. 'A windmill farm' is just a general term relating to a place with multiple energy producing windmills.

there are located every were in California

The answer, my friend, is blowin' in the wind; the answer is blowin' in the wind.

The energy to run them is FREE!!!