What is the density of a substance of
a. mass 100g and volume 10cm3,
b. volume 3m3 and mass 9kg?


Odpowiedź :

a. m=0,1kg

v=10cm3=0.00001m3

d=m/v=0,1kg/0.00001m3=10000kg/m3

b. v=3m3

m=9kg

d=m/v=9kg/3m3=3kg/m3

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