Answers

2015-07-07T18:00:26+08:00
A coin sinks easily because it has low surface texture which means its flat,while the ship dont sink because it has a sharp and deep suface texture which help it float in the surface of the water.
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2015-07-07T20:09:24+08:00
This is the simplest answer

A coin has less density than a ship

The ship has more density than the water
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