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 Community Discussion Question:
drops
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 10 Dec 2007 14:37:35 IST
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two drops of the same radiiare faling in air with aterminal velocity 5m/s. two drops colase to form a single drop . terminal velocity of the larger body is
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SHREYA |
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13 Dec 2007 17:25:55 IST
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please help yaar
salute assured
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SHREYA |
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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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