Jawabanmu

2014-03-25T21:42:57+07:00
Jawaban paling cerdas!
2014-03-25T21:48:43+07:00
F delta l = x F1 = 0,75F F/F1 = delta l / delta l1 F/0,75F = x/delta l1 delta l1 = 0,75F. x / F = 0,75 x
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