Task 20632.
What is the coefficient of surface tension of kerosene if it rises through the wick kerosene to a height of 10 cm? Consider the pores in the wick of a cylindrical tube with a diameter of 0.15 mm and complete wetting. The density of kerosene and the acceleration of gravity are equal to 0.8 x 10 3 kg / m ^ 3 and 9.81 m / s ^ 2.
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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