Jawabanmu

2014-03-11T12:02:14+07:00
W = F . s
W = 8 . 9,8 . 1
W = 78,4 j
2014-03-11T12:03:16+07:00
W = F . s
W = 8 . 9,8 . 1
W = 78,4 j