Asked by anonymous
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 32.0°C? (Note: Table 19.1 is available for use in solving this problem.)
Answers
Answered by
Damon
delta L/34 = coef of expansion * delta T
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