A sphere of diameter 10 mm and density 7700 kg/m falls under gravity at terminal conditions through a liquid of density 900 kg/m in a tube of diameter 15 mm. The measured terminal velocity of the particle is 10 mm/s Calculate the terminal velocity for the particle in a fluid of infinite extent, in m/s. a. 0.0521 b. 0.079 c. None of these d. 0 e. 0.019

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