Jawabanmu

2014-06-02T19:16:11+07:00
R = 1/2 d = 5 cm = 0,05 m
volume bola = 4/3 x phi x r^3
= 4/3 x 3,14 x (0,05)^3
= 5,2 x 10^-4 m^3

massa jenis (rho) = massa / volume
= 0,6 / (5,2 x 10^-4)
= 1150 kg/m^3