Nutrients dissolved in water are carried to upper parts of plants by tiny tubes partly because of the capillary effect. Determine how high (in meters) the water solution will rise in a tree in a 0.005-mm-diameter tube as result of the capillary effect. Treat the solution as water at 20°C with a contact angle of 15°. Surface tension of some fluids in

Nutrients dissolved in water are carried to upper parts of plants by tiny tubes partly because of the capillary effect. Determine how high (in meters) the water solution will rise in a tree in a 0.005-mm-diameter tube as result of the capillary effect. Treat the solution as water at 20°C with a contact angle of 15°. Surface tension of some fluids in

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

Question

Nutrients dissolved in water are carried to upper parts of plants by tiny tubes partly because of the capillary
effect. Determine how high (in meters) the water solution will rise in a tree in a 0.005-mm-diameter tube as a
result of the capillary effect. Treat the solution as water at 20°C with a contact angle of 15°.
Surface tension of some fluids in
air at 1 atm and 20°C (unless
otherwise stated)
Surface Tension
Fluid
, N/m*
Water:
0°C
0.076
0.073
20°C
100°C
300°C
Glycerin
SAE 30 oil
0.059
0.014
0.063
Mercury
Ethyl alcohol
Blood, 37°C
Gasoline
Ammonia
0.035
0.440
0.023
0.058
0.022
0.021
Soap solution
Kerosene
0.025
0.028

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