3 A solid cube of side length 11.8 cm is suspended on light string. When the cube is totally immersed in seawater (1.03 g/cm³), the tension in the string is 56.8 N. When the cube is immersed in an unknown liquid, the tension in the string becomes 37.3 N. What is the density of the unknown liquid? 3.35 gram per cubic centimeter 2.24 gram per cubic centimeter O 4.56 gram per cubic centimeter O 1.21 gram per cubic centimeter
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