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2.) A wall is made of an outer brick (R=0.3ft[^2]*hr*[degree]F/BTU), a piece of plywood (R=1), 6” of insulation (R=25), an air gap (R=4), and drywall (R=0.5).
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It really doesn't seem that hard. I just need to be taught how to do it.  Anyway, most of my physics information I learned from books long before my physics teacher started teaching it. I started annoying my friends when he would start teaching a formula and oddly enough I just happened to bring that book to read that day.
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If either a public officer or any one else saw a person attempting to cross a bridge which had been ascertained to be unsafe, and there were no time to warn him of his danger, they might seize him and turn him back without any real infringement of his liberty; for liberty consists in doing what one desires, and he does not desire to fall into the river. -Mill
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07-07-2003, 15:21
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