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 b)en(oc ,s mz7 e9rv0w*khv5xo mf)rpi2b cqw63 m0*hplate of length l and width w has coefficient of linear expansimc 6q2o*biwp3rm 0)fhon $\alpha$ 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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