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Lo = 1000 m
∆T = 50°C
α = 10^-5/°C
Dit. ∆L............?
penyelesaian :
∆L = Lo. α. ∆T
∆L = 1000. 10^-5. 50
∆L = 0,5 m
= 50 cm⇒ pertambahan panjang baja
Lo = 1000 m
ΔT = 50⁰C
α = 0,000011 /⁰C
dit :
ΔL
jawab :
ΔL = Lo. α. ΔT
ΔL = 1000. 0,000011. 50
ΔL = 0,55 meter atau 55 cm