Archive for the ‘Physics’ Category

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Solar energy?

Thursday, March 18th, 2010
stephaniiieex asked:


i’ve been looking for an answer to this question “Does solar energy stay the same every day? (amount) ” and i can’t seem to find anywhere where it tells me if it does or not and what can change the amount that the Earth recieves? if anyone knows PLEASE state where you got your information from.. thank you :)

Carmen
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Posted in Physics | 5 Comments »

Any suggestions for high school level physics project ideas in the area of solar energy ?

Friday, February 26th, 2010
Braveheart asked:


My 15 year old has to do a project in physics, and he’s interested in doing some study / simple experiment on solar energy. It need not be very high-tech. Any ideas ?

Anita
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Posted in Physics | 5 Comments »

How can I generate electricity for my home by using wind energy?

Saturday, July 11th, 2009
Eagle E asked:


How can I generate electricity for my home by using wind energy?
Please give me all necessary details, how to construct or design wind turbine, how much amount of electricity I will need and how to do it all this process, I have studied Physics but I don’t know how to do this technically to produce electrical energy for my home.

Leo
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Posted in Physics | 4 Comments »

what is the price of wind energy compared to the price of fossil fuels?

Friday, March 6th, 2009
Kareem asked:


when i say price of wind energy, I’m talking about wind mills or whatever transforms wind energy into another kind of energy.
I also need comparison

Wind Mill price = $??? > or < than fossil fuels

Ella

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Posted in Physics | 1 Comment »

Can Wind energy help to sustain a university’s electricity demands?

Saturday, December 13th, 2008
Carlos asked:


The annual electrical energy demand for a university campus is 300,000,000 KWh. Is it possible to build a wind farm that could provide electricity throughout the year to the University? If so, how many wind mills will be required to build the wind farm. Average wind speed is 15 mph. A state-of-the-art windmill has a rotor blade length of 75 m and the practical efficiency of a wind mill is 40%.

Mark
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Posted in Physics | 1 Comment »

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