Jawabanmu

2014-04-23T21:51:35+07:00
ΔL= α x L₀ x ΔT
19 x 10^ -2 = 19 x 10^ -6 x  L₀  x 10
L₀ = 10^ 3 = 1000

2014-04-23T21:57:29+07:00
Lo=deltaL/alfaxdeltaT =0,19/0,000019x10 =0,19/0,00019 =1.000