An iron railroad rail is 23.8 m long when the temperature is 20°C. What is the length in meter when the temperature is 3
Posted: Thu Jul 07, 2022 12:04 pm
An iron railroad rail is 23.8 m long when the temperature is 20°C. What is the length in meter when the temperature is 32°C. Temperature coefficient of iron is 11x10-¹¹ PC. AT= 32+ 20 = 52 = 23.8 m 20°C 32°C 11x10-11 Lg 8 = 23.8 + 28.8