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Question

density of aluminium is 2.7 g/cm CUBE express the density in kg/m cube

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Solution

1 g = 10-3 kg

And,

1 cm = 10-2 m

=> (1 cm)3 = (10-2 m)3

=> 1 cm3 = 10-6 m3

So, density of aluminum is = 2.7 g/cm3 = 2.7 (10-3 kg)/(10-6 m3) = 2700 kg/m3


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