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Lo = 300 cm
To = 20 C
Tt = 100 C
Ditanyakann : Lt ?
Dijawab :
α = 0,000025/C
Panjang akhir :
Lt = Lo (1 + α x (Tt-To)
= 300 (1 + 0,000025 x (100-20))
= 300 (1 + 0,000025 x 80)
= 300 (1 + 0,002)
= 300,6 cm