Jawabanmu

2014-02-24T20:34:06+07:00
ΔA = β  A_{0} ΔT
     β = 2α
       = 2 ( 8× 10^{-6} )
       = 16 × 20^{-6} / C
   A_{0} = 6000 cm² = 60 m²
 ΔA 0,96 cm² = 96 ×  10^{-4}

96 ×  10^{-4} = 16×2×  10^{-6} · 6 × 10 ·(T2-T1)
   (T2-T1) = 96 ×  10^{-4} / 16×2× 10^{-6} · 6×10
   (T2-32 = 10/2
    T2-32 = 5
     T2 = 37 C
       

2 3 2