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]
How much heat will flow in 1.3wa2 4pju ol7a0 houo w:ho0m5j /xv.ge8olik72 bw*sus4k r through a 2.0 m x 2.0 m section of concrete ( ku20how xk5v gsw:7*elo.io ms bj/48$k = 2.0 \times 10^{-4} \; kcal/s \cdot m \cdot ^{\circ}C$) 10 cm thick if the inside temperature is $21 \; ^{\circ}C$ and the outside temperature is $4 \; ^{\circ}C$?
A. $0.136 \; cal$
B. $136 \; cal$
C. $490 \; cal$
D. $490 \; kcal$
参考答案: D
本题详细解析:
暂无
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