Answers

2014-11-04T18:23:03+05:30
The object will sink as the weight of the object is greater than the buoyant force.
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2014-11-04T19:29:19+05:30
Weight of the object in air=40N When immersed in water it looses only 10N  .so the the object will sink ,because buoyant force is less than that in air
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