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Lo = 1 m
t1 = 20'C
t2 = 220'C
α = 0,000012/'C
Ditanya: Lt......?
jawab:
Lt = lo ( 1 + α (t2 - t1))
Lt = 1 ( 1 + 0,000012 (220 - 20))
Lt = 1 ( 1 + 0,000012 (200))
Lt = 1 ( 1 + 0,0024)
Lt = 1 ( 1,0024)
Lt = 1,0024 m
panjang menjadi 1,0024 m