Jawabanmu

Jawaban paling cerdas!
2014-06-02T15:30:36+07:00
Tinggi tempat=panjang:keuntungan mekanik=5:(800:320)=2m
1 5 1
2014-06-02T15:33:18+07:00
S2= (F1 x s1) : F2
= (800x5) : 320
= 4000 : 320
= 12,5