2. Nutrients dissolved in water are carried to upper parts of plants by tiny tubes partly because of the capillary effect. Determine how high the water solution will rise in a tree in a 0.0026-mm- diameter tube as a result of the capillary effect. Treat the solution as water at 20 °C with a contact angle of 15°. Take the surface tension of water at 20 °C as os = 0.073 N/m and density of water solution to be 1000 kg/m³.
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