Jawabanmu

Jawaban paling cerdas!
2014-05-05T14:50:03+07:00
Usaha = Gayax jarak
Usaha = 12x4
Usaha = 48 J
1 5 1
2014-05-05T14:51:24+07:00
F = 12 N
S = 4 m
W = F.s
     = 12 . 4
     = 48 j (d)
1 5 1