A piece of brass of volume 20 cm3 has a mass of 252 g. Find the density of brass in i) g/cm3 and ii) kg/m3
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A piece of brass of volume 30 cm3 has a mass of 252 g. Find the density of brass in (i) g cm-3, (ii) kg m-3
mass M of the piece of brass = 252 g Volume of the piece of volume = 30\ cm^330 cm
mass M of the piece of brass = 252 g Volume of the piece of volume = 30\ cm^330 cm 3
mass M of the piece of brass = 252 g Volume of the piece of volume = 30\ cm^330 cm 3
V
M
30
252
=8.4 g cm
−3
since, M = 252g = 0.252 kg
V = 30\ cm^330 cm
3
=
−6 m−3
30×10
−6
m
−3
0.252 kg
= 30× 10000001
m −3
0.252 kg
=
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