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kookycookiefanx
05.12.2020 •
Physics
A copper telephone wire has essentially no sag between poles 34.0 m apart on a winter day when the temperature is −20.0°C. How much longer is the wire on a summer day when the temperature is 40.0°C? (Note: Table 19.1 is available for use in solving this problem.) alpha is 17*10^-6
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Ответ:
Complete Question
The complete question is shown on the first uploaded image
The rate of heat loss through the wall on that day is![49.7664 \ MJ /day](/tpl/images/0528/8589/1b853.png)
Explanation:
The explanation is shown on the second, third and fourth uploaded image