A cube of side 20cm is floating on a liquid with 5cm of the cube outside the liquid.if the density of liquid is 0.8gm/cc,then the mass of the cube is

Volume of cube immersed is 20 * 20 * 15 = 6000 cc
Density of liquid = 0.8 gm/cc
thus mass of liquid displaced is 6000 * 0.8 gm = 4800 gm = 4.8 kg
the mass of the solid is thus 4.8 kg
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