Jawabanmu

2014-04-11T19:33:20+07:00
F1 = 0.5 N
x = x akhir - x awal = 27 -15 = 12 cm
F2= 0.6 N
peny:
F1 = k.x
0.5 = k12
k = 0.5/12
k = 0.04

F2 = k.x
0.6 = (0.04) (x)
x = 15

x akhir = x awal + x = 15+15 = 30 cm
6 2 6