1.

A test tube floats in water with a small coin at its bottom. The mass of this test tube is equal to mass of seven coins and the external volume is 16cm3. It just sinks when third coin is added. Calculate the mass of each coin.

Answer»

A test tube floats in water with a small coin at its bottom. The mass of this test tube is equal to mass of seven coins and the external volume is 16cm3. It just sinks when third coin is added. Calculate the mass of each coin.



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