we usually use the formula for velocity as v = 2gh it comes from : V gh = 1/2mv2 mgh = 1/2 mv 2 ...............................(1) v = 2gh here u have 2 diff. liquids , so u need to know the density of the upper liquid and calculate its potential energy and add it to mgh used in (1) while RHS remains same nudge me if wrong
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2gh
V gh = 1/2mv2
2gh![[Thumb - untitled.JPG]](/upload/2008/2/14/fc17d615b2cfb1ca23fd7d682846a9ac_20120.JPG_thumb)
