本题目来源于试卷: Physics Unit14: Heat，类别为 国际高中通用物理
[单选题]
The thermal conductivity ow gxleq.rw5 ;6fmr2mjs (1d07bka dio (9xl4uz concrete 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:
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