Jawabanmu

2014-09-03T20:17:13+07:00
2014-09-03T20:34:51+07:00
M = W / g (W=berat, g=gaya gravitasi) 
m = F / a (F=gaya, a=akselerasi) 
m = ρ * v (ρ=massa jenis, v=volume)