A block of wood floats in water with 50 mm projecting above the water surface. When placed in glycerin of sp gr 1.35, the block projects 76 mm above the surface of that liquid. Determine the sp gr of the wood. A ship with vertical sides near the waterline weighs 4000 tons and draws 22 ft in salt water (y = 64.0 lb/ft 3 ). Discharge of 200 tons of water ballast decreases the draft to 21 ft. What would be the draft d of the ship in fresh water?
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