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Water has a surface tension of 0.4 N/m. If the liquid rises 6 mm in a 3-mm diameter vertical tube, calculate the wetting angle. What

Water has a surface tension of 0.4 N/m. If the liquid rises 6 mm in a 3-mm diameter vertical tube, calculate the wetting angle. What would be the wetting angle if water were replaced with an oil having a surface tension of 0.04 N/m?

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