A solid cube gets completely immersed in water when a 0.2 kg mass is placed on it. If the mass is removed the cube is 2cm above the water level. What is the length of each side of the cube
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The volume of 2 cm part of the cube, assuming
the side of cube is x.
Volume = 2 * x * x = 2x2
Mass displaced by this portion = 0.2 kg = 200 gm Using
mass = volume * density
200 = 2x2 * 1
x2 = 100
x = 10 cm
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