18.A copper telephone wire has essentially no sag between poles 35.0 m apart
on a winter day when the temperature is -20.0°C. How much longer is the
wire on a summer day when TC=35.0°C?�
on a winter day when the temperature is -20.0°C. How much longer is the
wire on a summer day when TC=35.0°C?�
1 answer
1 answer
1 answer
1 answer