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12. An alloy of copper and gold has a mass of 300 g, but it weighs 2.74 N when completely submerged in water. What is its vol
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mass of alloy = 300gm . = 0.3 kg submerfed weight is, wJ = 2.74N Calculate the actual weight, WA (mg) = 0.3x9.01 = 2.943 N Ca

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