Jawabanmu

2014-01-25T12:33:03+07:00
2014-01-25T12:57:26+07:00
Diameter A : diameter B = 1 : 2
Luas penampang A (Aa) : Luas penampang B (Ab) = π x 1² : π x 2² = π : 4π
 \frac{Ea}{Eb} =  \frac{ \frac{1}{Aa} x delta La }{ \frac{1}{Ab} x delta Lb }
Jadi, Ea : Eb = 1/π x 3 : 1/4π x 1
       Ea : Eb = 3/π : 1/4π
       Ea : Eb = 12 : 1