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=100 + 100 × 16×10^-6 ×(100-50)
= 100 + 0.08
= 100.08
maaf kalau salah :)
To = 50 C
Tt = 100 C
Lo = 100 m
Ditanyakan : Lt ?
Dijawab :
α tembaga = 0,000017/C
Jadi :
Lt = Lo (1 + α x (Tt-To)
= 100 (1 + 0,000017 x (100-50))
= 100 (1 + 0,000017 x 50)
= 100 (1 + 0,00085)
= 100,085 m
jawaban B