A cubical object of side of 15cm weighs 1.35kg.Calculate its density.
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density =mass/volume.
so, cube mass=1.35 kg =1350 g
cube volume =a3 = (15 )>3 = 3375 cm>3
density = 1350/ 3375 g/ cm3
=0.4 g/litre
so, cube mass=1.35 kg =1350 g
cube volume =a3 = (15 )>3 = 3375 cm>3
density = 1350/ 3375 g/ cm3
=0.4 g/litre
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