Extracted text: 2. A cube of material is 4 in. on a side and floats at the interface between kerosene (SG=0.82) and water, as shown. a. Find the specific gravity of the material. b. How much weight is required to fully submerge the cube under water? (SG=0.973) (0.063 lb) Kerosene b/3 Water 2b/3 PIE