Question

Tolong jawab soal no 2 dan 3 ya ?

Answer 1

8. Dik : m = 8 kg g =10 ms-2 F= m. g = 80 N
lo = 75 cm = 7,5 x 10-1 m
d = 1,4 m A = ∏ d2 = 1,326 x 10-6 m2
Δl = 0,035 cm = 3,5 x 10-4 m
Dit : E = ……?
Jwb : E = F/A
= 1,3 x 10^7Nm-2 (C)