本题目来源于试卷: Physics Unit14: Heat，类别为 通用国际物理
[单选题]
The thermal conductivioj jn7 qa-alg2t 1ad(k4/ rs0pty of gcpa4d qq3zn q) 4/v:fconcrete is $0.8 \; W/m \cdot ^{\circ}C$ and the thermal conductivity of wood is $1.1 \; W/m \cdot ^{\circ}C$. How thick would a solid concrete wall have to be in order to have the same rate of flow through it as an 8-cm thick wall made of solid wood? (Assume both walls have the same surface area.)
A. $53 \; cm$
B. $64 \; cm$
C. $71 \; cm$
D. $85 \; cm$
参考答案: B
本题详细解析:
暂无
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