Physics, 27.07.2020 01:01, bri9263

A copper telephone wire has essentially no sag between poles 36.0 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 34.0°C?

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A copper telephone wire has essentially no sag between poles 36.0 m apart on a winter day when the t...