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French, 22.11.2020 16:20 bhadd2001

The terminal velocity of a copper ball of radius 2.0mm falling through a tank of oil at 20°C is 6.5cm/s. Compute the viscosity of the oil at 20°C. Density of oil = 1.5 x 10^3 k/gm3, density of copper 8.9 x 10^3k/gm3.

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The terminal velocity of a copper ball of radius 2.0mm falling through a tank of oil at 20°C is 6.5c...
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