If a sphere of diameter 1 cm falls in castor oil of kinematic viscosi – McqOptions

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1.	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
A.	less than 1
B.	between 1 and 100
C.	160
D.	200
Answer» D. 200

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