Question by questionhere: I need help with this physics solar power question please?
I tried doing this problem, but it was tough, can anyone help me with this? thanks!
At a certain location, the solar power per unit area reaching the Earth’s surface is 200 W/m^2, averaged over a 24-hour day. If you live in a house whose average power requirement is 3 kW and you can convert solar power to electric power with 10% efficiency, how large a collector area will you need to meet all your household energy requirements from solar energy? Will it fit your yard? please explain in [...]
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by RobKatz Question by Lector’s Girl: Solar Power Kits, what do I need to know? (http://www.homedepot.com/Electrical-Alternative-Energy-Solutions-Solar-Power-Solar-Panels-Kits/h_d1/N-5yc1vZbm1w/R-202218715/h_d2/ProductDisplay?catalogId=10053&langId=-1&storeId=10051) Does the solar panel have to go on the roof? Will it go on any roof? I have regular shingles. Anything else a beginner should know? Any tips would be greatly appreciated. Thank you. Best answer: Answer by DougNo, the panel doesn’t have to go on the roof. It can be ground mounted anywhere it receives good exposure to the sun during most of the day. Other things to know: by Earl – What I Saw 2.0 Question by EnsignLefler: What kind of solar household can benefit from Time-Of-Use (TOU) metering? My solar panels can only provide 80% of my energy needs. On a typical workday, no one is home between 8-3:30. Our overall energy costs is higher during the winter. Best answer: Answer by KoonsieTime of use metering is fantastic so long as you are well aware of the risks. TOU may charge you half price for electricity that you use in the evening but for the electricity you use during peak hours (7-4) may charge [...] Instant Energy: New Wind, LLC. and Apperisity, Inc. Unveil ELPoD Giving Portable Power and Light on Demand that Operates Off the Grid and Without Fuel
Home Energy Saving Monitor Complete Unit with Transmitter Home Energy Conservation Everything you need to start monitoring your homes energy consumption. The kit includes: Display with power supply, 2 slip-on clamps. Transmitter with 7 year battery life, Installation manual. Kits come with everything you need. Saves Energy – Reduce List Price: $ 149.00 Price: $ 109.99 Solar Power Energy Crazy Grasshopper Cricket Kit Toy by Wayne National Forest Question by : can i save the power from my solar panels during the day and use the energy at night? |
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