A copper cylinder is initially at 20 degree Celsius. At what
temperature will its volume be 0.150% larger than it is at
20 degree Celsius?
ans: 49.4 degree Celsius
A copper cylinder
2013-06-09 12:05 am
回答 (1)
2013-06-09 12:52 am
✔ 最佳答案
Take the coefficient of linear expansion of copper = 17 x 10^-6 K^-1Hence, coefficient of volume expansion = 3 x 17 x10^-6 K^-1 = 51 x10^-6 K^-1
Fractional increase in volume of copper cylinder = 0.15/100 = 0.0015
Hence, 0.0015 = (51x10^-6).T
where T is the rise in temperature
i.e. T = 29.4 'C
The final temperature of the cylinder = (20 + 29.4)'C = 49.4'C
收錄日期: 2021-04-29 17:48:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130608000051KK00180