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A piece of pure gold of density 19.3 g c...

A piece of pure gold of density `19.3 g cm^(-3)` is suspected to be hollow inside. It weighs 38.250 g in air and 33.865 g in water. Calculate the volume of the hollow portion of the gold, if any:

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SL ARORA-Mechanical Properties of fluids-Exercise
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  10. How much will a body of 70 N weight in water if it displaces 20 ml of...

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  14. A solid floats in water with 3//4 of its volume below the surface of w...

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  15. A piece of wood of relative density 0.25floats in a pail containing oi...

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  16. A boat having a length of 3 m and breadth of 2 m is floating on a lake...

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  18. A cubical block of wood 10 cm on a side floats at the interface betwee...

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  19. A Piece of brass (alloy of zinc and copper) weighs 12.9 g in air. When...

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  20. A piece of iron floats in mercury. Given that the density of iron is 7...

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  21. A metal cube of 5cm side and relative density 9 is suspended by thread...

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