Physics, 26.05.2020 08:57 odetteerivera
You insulate your medium-sized attic with insulation with R=10. Which of the following sets of estimates is most reasonable?
A. The attic is 150 sq ft, the temperature difference on average is 5 degrees C, and electricity costs 1 cent per kWh.
B. The attic is 15,000 sq ft, the temperature difference on average is 10 degrees F, and electricity costs $10 per kWh.
C. The attic is 150 sq ft, the temperature difference on average is 5 degrees F, and electricity costs $1 per kWh.
D. The attic is 1500 sq ft, the temperature difference on average is 50 degrees F, and electricity costs 1 cent per kWh.
E. The attic is 1500 sq ft, the temperature difference on average is 10 degrees F, and electricity costs 10 cents per kWh.
Answers: 3
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