Let Load of CArgo be W and Mass of ship alone be M
Initially let t (height of ship) was displaced by water.
So, Ïstg = (M+W)g .. (I)
When it enterd rvier water,
Ïr(t+x)g = (M+W)g .. (II)
When it discharged cargo,
Ïr(t+x-y)g = Mg . (III)
When it reenterd sea,
Ïs(t+x-y-z)g = Mg .. (IV)
a ship sailing from sea into a river sinks X mm and on discharging the cargo rises by Y mm.on proceeding again into the sea, the ship raises by Z mm. assuming ship sides to be vertical at water line, find the specific gravity of the sea water
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1 Answers
Asish Mahapatra
·2009-04-27 23:52:37