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2014-05-20T21:37:12+07:00
Delta l=60.50.2.10-5
delta l=3000.2.10-5
delta l=6.10-2
delta l=0,06 cm

50+0,06cm=50,06 cm

2 5 2
2014-05-20T21:39:36+07:00
Diketahui : T1 = 40'C
Lo = 50 cm = 0,5 m
α = 0,00002
T2 = 100'C
Ditanya : Panjang akhir ?
Jawab :
Lt = Lo + Lo×α×ΔT
Lt = 0,5 + 0,5×0,00002×(100-40)
Lt = 0,5 + 0,0006
Lt = 0,5006 m
Lt = 50,06 cm