a piece of brass(alloy of copper and zinc) weighs 12.9 gram in air when completly immersed in water it weighs 11.3gm. what is the mass of copper contained in the alloy. relative density of copper and zunc are 8.9 and 7.1
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because 1.6 gram is the force that is pushed by gravity so when we immersed piece of brass in water so the gravity become less so, brass is lighter
Naveen1234:
explain it more properly
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