Question: The terminal velocity of a copper ball of radius 2 mm falling through a tank of oil is 6.5 cm/s. Find the viscosity coefficient

The terminal velocity of a copper ball of radius 2 mm falling

The terminal velocity of a copper ball of radius 2 mm falling through a tank of oil is 6.5 cm/s. Find the viscosity coefficient of the oil if density of oil 5103 kg/m3 and density of copper is 9103 kg/m3.

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