What is R of a fiberglass batt ( thermal conductivity 0 0 3 9 at 3 0 0 K ) that is 6 inches thick Give two answers, one in American units based on BTUs, one in SI units based on joules

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What is R of a fiberglass batt ( thermal conductivity = 0 . 0 3 9 at 3 0 0 K ) that is 6

What is R of a fiberglass batt

(

thermal conductivity

= 0.039

300

)

that is

6

inches thick? Give two answers, one in American units based on BTUs, one in SI units based on joules

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