Physics, 05.12.2020 22:30 khloenm309

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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