Odpowiedzi

2009-12-09T21:14:48+01:00
V=m/d

m=500g
d= 21 410kg/m3

21 410kg/m3 x 1000/1 000 000=21.410g/cm3

v= 500/21,410=23,3535
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2009-12-09T21:17:41+01:00
Dane; szukane;
Q= 21410 kg/m3 V-?
m=500g(kg)=500x0,001=0,5 kg


Q(ro)= m:V ---> V= m: Q(ro) =0,5 kg : 21410 kg/m3=0,0000233 m3
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