gc textbook chapter 13 temperature and kinetic theory (id: 4d1805713)

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

[问答题]
A uniform rectangular pj7 rah1 0og6lfh rc:l/laty96s y40cz.e e nabb/xo6uc4re of length l and width w has coefficient of linear exx4c6n/ e6yzo 0br9y auc s4.ebpansion $\alpha$ Show that, if we neglect very small quantities, the change in area of the plate due to a temperature change $\Delta$T is $\Delta$A = 2$\alpha l w$$\Delta$T See Fig. 13–30.

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