A wooden block floats in water with two third of its volume 1) Calculate density of wood 2)When the some block is placed in oil. Calculate the density of oil.
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Let D be the density of wood
Density of wood / Density of Water = Part of block submerged / Total Part
D / 1 = 2V/3 / 1V
D/ 1 = 2/3
D = 2/3
= 0.67 g / cm3
Again , 3V/4 / 1 V = 0.67 / D
3/4 = 0.67 / D
D = 0.87 g/ cm3
Density of wood / Density of Water = Part of block submerged / Total Part
D / 1 = 2V/3 / 1V
D/ 1 = 2/3
D = 2/3
= 0.67 g / cm3
Again , 3V/4 / 1 V = 0.67 / D
3/4 = 0.67 / D
D = 0.87 g/ cm3
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