gc textbook chapter 13 temperature and kinetic theory (id: 50b63c2ff)

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]
An aluminum bar has the s3 :d.k *crehkdesired lx.mq, xnhuwpsk* a9 a6.wi 9y+ength when at 15°C. How much stress is required to keep it at this length if the temperature incres+wam kynp6h9 x.u w ,q9ia*x.ases to 35 $^{\circ} $ C?    $ \times10^{7 }$ N/$m^2$

参考答案: 3.5±2%


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