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Surface Energy

A body of vol...

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A body of volume V and density p is initially submerged in a non-viscous liquid of density σ(>p). If it is rises by itself through a height h in the liquid. Its kinetic energy will (a) increase by hV (σ -p)g (b) increase by hV (p + σ)g (c) decrease by hVpg/σ (d) increase by hVpg

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