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  4. A cube of wood supporting 200g mass just floats in water. When the mass is removed, the cube rises by 1 cm, the linear dimension of cube is

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Q. A cube of wood supporting 200g mass just floats in water. When the mass is removed, the cube rises by 1 cm, the linear dimension of cube is

Mechanical Properties of Fluids

Solution:

Let / be the side of the cube Volume of the cube outside = volume of water displaced due to mass. Water displaced is 200 gm and its volume is 200 cm$^3$ 1$l^2 = 200 \, \Rightarrow \, l = 10 \sqrt{2}$