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To = 20 C
Vt = 1.006
Tt = 100 C delta T = 80 C
dit. alpha......?
gama = delta V
Vo . delta T
= 6
1000 . 80
= 6
80000
gama = 0,000075
alpha = gama
3
= 0,000075
3
alpha = 0,000025 /c
alpha = 2,5 x 10 pangkat min.5 /drjt C
jadi koef, muai panjangnya adalah 0,000025 per derjt C