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(b) A particle of equivalent sphere volume diameter 0.2 mm, density 2500 kg/m and sphericity 3 0.6 falls freely under gravity in a fluid

(b) A particle of equivalent sphere volume diameter 0.2 mm, density 2500 kg/m and sphericity 3 0.6 falls freely under gravity in a fluid of density 1.0 kg/m and viscosity 2x10 Pa.s. Estimate the terminal velocity reached by the particle. [6] for o limestone nowder with a

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