Jawabanmu

2014-03-24T19:22:08+07:00
Lo = 2m
ΔT = 100- 20 = 80 C
α = 0,000024

 dit : ΔL

jawab :
ΔL = Lo . α . ΔT
     = 2 . 80 . 0,000024
     = 0,00384 m
2014-03-24T19:22:42+07:00
2m x (0.000024x80)=2m x 0.00192 = 0.00384