gc textbook chapter 13 temperature and kinetic theory (id: 8e801adc6)

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]
A barrel of diameter 1tm-:w,n mz( rsvv 5csotze,6 :34.122 cm 2t wr)z.-ulxu at 20$^{\circ} $ C is to be enclosed by an iron band. The circular band has an inside diameter of 134.110 cm at 20$^{\circ} $ C. It is 7.4 cm wide and 0.65 cm thick.
(a) To what temperature must the band be heated so that it will fit over the barrel? $\approx$   $^{\circ} $ C(Round to the nearest integer)
(b) What will be the tension in the band when it cools to 20$^{\circ} $ C?    N

参考答案:
空格1: 27±2%  空格2: 4300±2% 


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