 gina
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Last Activity: 7th-March-2009 04:32 PM
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Posted in Energy
- What are the environmental effects of using wind energy? Well, wind power does not need any fuel for its operation! Just use the wind, natural source to generate wind power. What about emissions due to operation of wind power? Unlike some other sources, wind power operation does not pollute the environment with carbon dioxide, sulfur dioxide, mercury, or any other type of air pollution. It is environmental friendly!
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Posted in Energy
There are many types of energy like kinetic, potential, gravitational, thermal and others. Energy can be transferred from one form to another. For a very simple example, a stationary ball on top of a table (potential energy) falls from the side of the table (gravitational and kinetic energy). In this case, the potential energy converted into kinetic and gravitational energy. But, in essence, the total energy of the system for the ball remained the same.
Posted in Uncategorized
There are many types of energy like kinetic, potential, gravitational, thermal and others. Energy can be transferred from one form to another. For a very simple example, a stationary ball on top of a table (potential energy) falls from the side of the table (gravitational and kinetic energy). In this case, the potential energy converted into kinetic and gravitational energy. But, in essence, the total energy of the system for the ball remained the same.
Posted in Energy
What is energy? According to Physics theory, energy is defined as the amount of work that can be carried out by a force. Energy is a physical scalar (meaning that direction is not accountable) quantity. The SI (international system) unit for energy is Joule (J). Petroleum is a source of energy. It refers to the crude oil derived from Mother Earth. Processing crude oil gives refined products like gasoline, heating oil, diesel fuel and many others. In our daily lives, there are many refined products...
Posted in Energy
President Obama‘s new economic stimulus bill has some allocation for “energy”. There would be electric, hybrid and biodiesel vehicles in Georgia, creating 550 jobs with a rough estimate spending of USD64 million. Would it be worthwhile? In the case of Peoria, Arizona, the plan is to improve its vehicles using natural gas or hydrogen. This project will cost roughly USD2.5 million and employ only 11 people. If you calculate the costs, the state of Georgia seems to have a better deal. What about...
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