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Q2. A vessel floating in sea water of density 1025 kg/m³ with a displacement of 6600 tonne has the following particulars:

Mean draught = 7.0 m

Centre of buoyancy above the keel (KB) = 3.845 m

Transverse metacentre above the centre of buoyancy (BM) = 4.025 m

Transverse metacentric height (GM) = 0.850 m

Tonne per centimetre immersion (TPC) = 16

Assuming the vessel to be wall-sided over the affected range of draught, calculate the mass to be added to the vessel at a KG of 2. 5 m, to give a final transverse metacentric height of 1.2 m. (16)