Jawabanmu

2014-05-21T18:55:04+07:00
Dik=
l₀=2m
t₁=25°
t₂=120°
ΔT= 95°
α=0,000012/°C
dit=lt
jwb=
lt=l₀+Δl
lt=l₀+l₀.α.ΔT
lt=2+2.0,000012.95
lt=2+0,00228
lt=2,00228 m