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 IB物理学

[填空题]
An aluminum bar has the desired lenb74 qa datb8v7gth when at 15 da d3n2lim6/;-yc+qxx2oqc h°C. How much stress is required to keep it at this length if the temperature incre63hq -d; i/n 2yq+ xdcxo2amlcases to 35 $^{\circ} $ C?    $ \times10^{7 }$ N/$m^2$

参考答案: 3.5±2%


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