Spherical Particles of Density 2

question 47

Multiple Choice

Spherical particles of density 2.0 g/cm³ are shaken in a container of water (viscosity = 1.0 × 10−³ N⋅s/m³) .The water is 9.0 cm deep and is allowed to stand for 25 minutes.What is the greatest terminal velocity of the particles still in suspension at that time?​

• A)3.0E-5 m/s
• B)4.5E-5 m/s
• C)7.5E-5 m/s
• D)6.0E-5 m/s
• E)​8.4E-5 m/s

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