A solid cube of aluminum is 1.5cm on each edge. The density of aluminum is 2700kgm\(^{-1}\). Find the mass of the cube.
a
7.5g
b
9.1g
c
12.0g
d
15.0g
Explanation
Correct Option
bVideo Explanation
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Uyihosa
2 months ago
1m = 100cm
take cube of both side
therefore 1^3m^3 = 100^3cm^3
1m^3 = 1000000cm^3
and I kg = 1000g
therefore 2700kg = 27000000g
that means that 2700kg/m^3
is same as 2700000g/1000000cm^3
which is then reduced to 2.7g/cm^3
That was how the density was converted.
I hope this helps someone.



