gc textbook chapter 13 temperature and kinetic theory (id: 2ff42d765)

本题目来源于试卷: gc textbook chapter 13 temperature and kinetic theory，类别为 通用国际物理

[填空题]
A concrete highway is built of slabs vgyjt- *,4wje 1, tlrp eoesrkx63) z1)w(oknhn3z0 o)2 m long (20 $^{\circ} $ C). How wide should the expansion cracks between the slabs be (at 20 $^{\circ} $ C) to prevent buckling if the range of temperature is -30 $^{\circ} $ C to +50 $^{\circ} $ C?    m

参考答案: 0.0043±2%


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