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 Discussion Response Post to:
drops
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 13 Dec 2007 17:30:27 IST
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When both the drops coalesce, the radius of new body is 21/3r where r=radius of initial body.
Formula of terminal vel is v= 2r2(p - p' )g/9n
Only r is changing. so, v changes by a factor of 22/3.
So final vel is 5 x 22/3 m/s
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