Question

3. A small steel ball-bearing falling through glycerine has a terminal velocity of 2 x 10-ms. Find the
terminal velocity of an air bubble of the same size rising through glycerine at the same temperature
Neglect the weight of air in the bubble and assume that the viscous force on each sphere is proportional
to its terminal velocity. (Density of steel = 7700 kg m-3. Density of glycerine = 1260 kg ml
fans 30 x 10-​

Answer 1

Answer:

The terminal velocity of a steel ball 2 mm in diameter falling through glycerin is 44×10−2cm/s (Given that specific gravity of steel = 8, specific gravity of steel =8, specific gravity of glycerin a 1.3, viscosity of glycerine 8.3 poise.)

Explanation:

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