If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stoke

Question

If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is

Options:

A . less than 1

B . between 1 and 100

C . 160

D . 200

Answer: Option C

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