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MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

The terminal speed attained by an aluminium sphere of radius 1 mm falling through water at C will be close to (Assume laminar flow, specific gravity of Al = 2.7 and Pl)

Answer: (C)

Solution

\dfrac{2r^2(ρ-σ)g}{9η}\dfrac{2(10^{-3})^2(2700-1000)(9.8)}{9×8×10^{-4}}$

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Question ID VK-062054