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perubahan suhu adalah 500°C - 250°C = 250°C
1 m = 100 cm
PERTAMBAHAN PANJANG
∆L = Lo × a × ∆T
∆L = 100 × 0,000017 × 250
∆L = 0,425 cm
PANJANG AKHIR ( PADA SUHU 500°C )
L = 100 + 0,425
L = 100,425
JAWABAN C