Odpowiedzi

2010-02-07T16:19:07+01:00
Ro = m/V
m = ro*V
m = 920*1
m = 920 kg
2010-02-07T16:21:27+01:00
1cm³=0,001dm³
920kg=920000g

ro=m/V
m=ro*V
m=0,001dm³*920000g/dm³=920g
2010-02-07T16:23:56+01:00
M= 1 cm3 * 920000g= 9200000g/cm3
(ro)= 920kg= 920000g