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d=m/V
V = 50cm*100cm*0,5cm = 2500 cm3
d = 6250/2500
d = 2,5 g/cm3
V=50cm*100cm*0,5cm
V=2500cm³
ro(czyli gęstość)=m:V
ro=6250g:2500cm³
ro=2,5g/cm³
liczę na naj ;D
v= objętość 0.5 m 1m 0.005 m
m= masa
nalezy zamienic cm na m i gramy na kg
v= pp* h
v=0.5 m 1m 0.005 m
v=0.0025 m³
p=m/:v
p=6,250:0.0025
p=2500kg/m³