本题目来源于试卷: Physics Unit14: Heat，类别为 通用国际物理
[单选题]
How much heat will flobwu; o. nocww4vp3gge 4d/..lw ir+ (mbtg-3hf.kg*5hdzw5o; u0zv ru bn 1.0 hour through a 2.0 m x 2.0 m section of concrete bm rrgo;.(-gu5 t+v3*u wb hfhzd50kz($k = 2.0 \times 10^{-4} \; kcal/s \cdot m \cdot ^{\circ}C$) 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
| 
