Question: please solve mathematically 4 A steel ball with a density of 7.85gr/cm3 and a diameter of 1cm is dropped in a Newtonian oil with viscosity

please solve mathematically

4 A steel ball with a density of 7.85gr/cm3 and a diameter of 1cm is dropped in a Newtonian oil with viscosity of 1Pa.s and density of 1kg/m3. Assume that the ball fall under creeping flow regime (i.e., very low Reynolds number) a) What is the sphere terminal velocity? b) What is the drag coefficient that sphere experiences

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