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Verified answer
Lo = 12 cm = 0,12 mα = 0,000024/°C
ΔT = 32°C - 27°C = 5°C
ditanya Lt = ....?
jawab
Lt = Lo {1 + αΔT}
Lt = 0,12 { 1 + 0,000024 × 5}
Lt = 0,12 { 1 + 0,00012}
Lt = 0,12 { 1,00012}
Lt = 0,1200144 m = 12,00144 cm