A metal sphere of radius ‘ R ’ and density ‘ Q 1 ’ is dropped in a liquid of density ‘ σ ’ moves with terminal velocity ‘ V ’. Another metal sphere of same radius and density ‘ Q 2 ’ is dropped in the same liquid, its terminal velocity will be

Question

A metal sphere of radius ‘ R ’ and density ‘ Q 1 ’ is dropped in a liquid of density ‘ σ ’ moves with terminal velocity ‘ V ’. Another metal sphere of same radius and density ‘ Q 2 ’ is dropped in the same liquid, its terminal velocity will be, V Q 2 + σ / Q 1 + σ, V Q 1 + σ / Q 2 + σ, V Q 2 - σ / Q 1 - σ, V Q 1 - σ / Q 2 - σ

MARKS App · Accepted Answer

V T = 2 9 r 2 δ - σ . g n V V T = 2 9 R 2 Q 1 - σ . n g 2 9 R 2 Q 2 - σ . g ⇒ V T = Q 2 - σ . V Q 1 - σ

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