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F : 3,2 x 10^5 ---> 3,2 N ingat 1 N=1x10^5dyne
L=60cm---> 0,6m
E=12x10^11 dyne/cm --> 12x10^8N^2/m
Dit: ΔL
Gunakan Pers
E= F. L / A . ΔL
Masukkan data yang ada ...
12x10^8 = 3,2 . 0,6 / 2x10^-6 . ΔL
12x10^8 = 1,92 / 2x10^-6 ΔL
24x10^2ΔL= 1,92
ΔL=0,0008 m -->8x10-4m