Jawabanmu

Jawaban paling cerdas!
2014-05-07T17:47:48+07:00
2014-05-07T17:54:22+07:00
M = 60kg
h = 15 m
t = 2 s
dit = daya
jwb= 60 :2 = 30 x 15 = 450 kw = 4500 w