gc textbook chater 14 heat (id: 3c6c14080)

本题目来源于试卷: gc textbook chater 14 heat，类别为 IB物理学

[填空题]
Two rooms, each a cube 4.0 m p0-k4l( quhtyb zdbl r.e g30d)er side, share a 12-cm-thick brick wall. Because o ld. 3)e0bdgzrf a number of 100-W lightbulbs in one room, the air is at 30$^{\circ} C$, while in the other room it is at 10$^{\circ}C $. How many of the 100-W bulbs are needed to maintain the temperature difference across the wall?    bulbs

参考答案: 23±2%


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