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Verified answer
Suhu• Pemuaian Panjang
L₀ = 80 cm = 0,8 m
ΔT = 60°C - 20°C = 40°C
α = 10⁻⁵ / °C
Lₜ = __ ?
Lₜ = L₀ (1 + α ΔT)
Lₜ = 0,8 (1 + 10⁻⁵ × 40)
Lₜ = 8,0032 × 10⁻¹ m