Answers

2015-01-09T14:17:43+05:30
iron needle is compact and it has a density of more than 1g/cm3 which makes it sink.an iron ship is mostly hollow from inside so it has a large volume and less density which makes it float.
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2015-01-09T14:20:30+05:30
This is because Iron nail displaces less water as compared to Iron Ship.
Also.. because a ship has enough space so. air is trapped inside the ship.
So in this case . ship floats nd Iron nail Sinks.
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