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University Physics with Modern Physics with Mastering Physics (11th Edition)

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14.69: a) Let the total volume be V ; neglecting the density of the air, the buoyant force in terms of the weight is , ) ( 0 m water water + = = V ρ g w g ρ gV ρ B or ρ - = g w g ρ B V w water 0 b)
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Unformatted text preview: . m 10 52 . 2 3 4 Cu water-× =-g ρ w g ρ B Since the total volume of the casting is , water B g ρ the cavities are 12.4% of the total volume....
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