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T0 = 20 C
V0 = 1000 cm³
α = 0,000012 /C
T = 220 C
dit :
V ?
dijawab :
y = 3α = 3 x 0,000012 = 0,000036 /C
ΔT = 220 - 20 = 200 C
V = V0 (1+y x ΔT)
= 1000 (1+0,000036 x 200)
= 1000 (1 + 0,0072)
= 1000 (1,0072)
= 1000,72 cm³