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![[Post New]](/templates/default/images/icon_minipost_new.gif) 22 Feb 2008 18:51:11 IST
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The ans is c 2cm
From bernoullis theo..
We have p*v2/2=p*g*h
Since we were comparing the points in the tube just bfore and at the end so h=0 n v=0 resp..
For v=wr
Substitute the values and ans is 2cm
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