Capillary waves are waves that run across the surface of water because of the surface tension...
Capillary waves are waves that run across the surface of water because of the surface tension of the water. (You can see these waves if you gently touch your finger to the water surface in a glass of water.) If the surface tension of water is 0.07 Newtons/m, if the density of water is 1000 kg/m, and if the waves have a wavelength of 3 mm (waves this short aren't affected by gravity so ignore g), estimate the speed of the waves in meters per second.
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Capillary waves are waves that run across the surface
of water because of the surface tension...
Questiorn If the surface tension of water is 0.0728, what is the capillary rise (in meters)...
Questiorn If the surface tension of water is 0.0728, what is the capillary rise (in meters) in a glass tube that is 1.0 mm in radius? Your answer should have two significant figures. Use Pwater 1.0for the density of water. 0 for the density of water cm Use98for the acceleration due to gravity. Assume the contact angle, θ is equal to 0 . . Provide your answer below:
N Determine the capillary rise of water in glass tube if the surface tension of water=0.00287...
N Determine the capillary rise of water in glass tube if the surface tension of water=0.00287 N/m and diameter =80 mm (Non-anonymous question ) (3 Points)
Question 4. (25%) Surface gravity waves: (a) Write down the expression for phase speed c for surf...
Question 4. (25%) Surface gravity waves: (a) Write down the expression for phase speed c for surface gravity waves if their wavelength λ is much shorter than the water depth. Are these 'deep- water' waves or 'shallow water' waves? Explain briefly. (b) Write the expression for wavenumber k in terms of wavelength λ. (c) Evaluate the phase speeds for a wavelength of 10 meters, and for a wavelength of 500m. (d) Using these results, suppose the waves are generated by...
(30 marks) For water waves with wavelength much longer than Xo, the effect of surface tension...
(30 marks) For water waves with wavelength much longer than Xo, the effect of surface tension can be neglected. These waves are called gravity waves. =%and find its value given σ=0.073 N/m and ρ: 10000 kg/ms fr (a) Show that water at 20°C. (b) Gravity waves with kh » are called deep gravity waves. Deep gravity waves generated by a storm arrived at the coast have a period of about 15 seconds. A day later, the period of the waves...
SURFACE TENSION. You can make a needle float, even though the needle is heavier than water....
SURFACE TENSION. You can make a needle float, even though the needle is heavier than water. Obtain a large, flat pan of water. Carefully, on the water’s surface, lay out a SINGLE-PLY (thickness) of double-ply toilet paper. Gently ease a needle onto the paper, keeping the needle level. Using a fork, slowly press down on the toilet paper to sink the paper out from under the needle. (Do not touch the fork to the needle.) It may take a few...
please show all your work! thanks A capillary tube with a radius of mm is inserted...
please show all your work! thanks
A capillary tube with a radius of mm is inserted vertically into a container of water. As shown in the picture at right, water wets the inner wall of the capillary with a contact angle of 0°. The surface tension force, Fst, (or capillary force in this context) draws water up the tube until the meniscus reaches a level of hw above the water level in the container. You may assume that surface tension...
A device for sampling water in lakes and streams consists of a 2.25 cm diameter cylindrical tube ...
A device for sampling water in lakes and streams consists of a 2.25 cm diameter cylindrical tube that is 3 cm in length. The disks are placed in a wan technician to insert the sampling disk into the water. The tubes are then sealed in a container and taken back to the lab where the water is removed from the tube and analyzed. The tube is made of glass and contains 200 cylindrical pores 1 mm in diameter that run...
4. 5 points A device for sampling water in lakes and streams consists of a 2.25 cm diameter cylin...
4. 5 points A device for sampling water in lakes and streams consists of a 2.25 cm diameter cylindrical tube that is 3 cm in length. The disks are placed in a wand that allows the technician to insert the sampling disk into the water. The tubes are then sealed in a container and taken back to the lab where the water is removed from the tube and analyzed. The tube is made of glass and contains 200 cylindrical pores...
Water resources. PROBLEM 1: Capillary Tube Hemispherical Gate Above is a tank full of pure water...
Water resources.
PROBLEM 1: Capillary Tube Hemispherical Gate Above is a tank full of pure water with a depth, D = 3 m (and water below the level of the gate). A hemispherical gate is present as well as a glass tube as shown with the following details: • Hemispherical gate has diameter of 500 mm. • Capillary tube has diameter of 5 mm. Part a.) Find the total force on the gate. Part b.) Draw the force vector that...
2) [10 marks How does the speed of deep water waves depend upon their wavelength (you...
2) [10 marks How does the speed of deep water waves depend upon their wavelength (you may neglect surface tension and the depth of the water)? How does the period of oscillation of a drop of water depend upon its radius (you may neglect gravity and any interaction of the drop with its surroundings)? Estimate the length-scale at which the transition from gravity to surface tension being the dominant process to consider occurs. [The surface tension of water is approximately...
Questiorn If the surface tension of water is 0.0728, what is the capillary rise (in meters) in a glass tube that is 1.0 mm in radius? Your answer should have two significant figures. Use Pwater 1.0for the density of water. 0 for the density of water cm Use98for the acceleration due to gravity. Assume the contact angle, θ is equal to 0 . . Provide your answer below:
N Determine the capillary rise of water in glass tube if the surface tension of water=0.00287 N/m and diameter =80 mm (Non-anonymous question ) (3 Points)
Question 4. (25%) Surface gravity waves: (a) Write down the expression for phase speed c for surface gravity waves if their wavelength λ is much shorter than the water depth. Are these 'deep- water' waves or 'shallow water' waves? Explain briefly. (b) Write the expression for wavenumber k in terms of wavelength λ. (c) Evaluate the phase speeds for a wavelength of 10 meters, and for a wavelength of 500m. (d) Using these results, suppose the waves are generated by...
(30 marks) For water waves with wavelength much longer than Xo, the effect of surface tension can be neglected. These waves are called gravity waves. =%and find its value given σ=0.073 N/m and ρ: 10000 kg/ms fr (a) Show that water at 20°C. (b) Gravity waves with kh » are called deep gravity waves. Deep gravity waves generated by a storm arrived at the coast have a period of about 15 seconds. A day later, the period of the waves...
please show all your work! thanks
A capillary tube with a radius of mm is inserted vertically into a container of water. As shown in the picture at right, water wets the inner wall of the capillary with a contact angle of 0°. The surface tension force, Fst, (or capillary force in this context) draws water up the tube until the meniscus reaches a level of hw above the water level in the container. You may assume that surface tension...
A device for sampling water in lakes and streams consists of a 2.25 cm diameter cylindrical tube that is 3 cm in length. The disks are placed in a wan technician to insert the sampling disk into the water. The tubes are then sealed in a container and taken back to the lab where the water is removed from the tube and analyzed. The tube is made of glass and contains 200 cylindrical pores 1 mm in diameter that run...
4. 5 points A device for sampling water in lakes and streams consists of a 2.25 cm diameter cylindrical tube that is 3 cm in length. The disks are placed in a wand that allows the technician to insert the sampling disk into the water. The tubes are then sealed in a container and taken back to the lab where the water is removed from the tube and analyzed. The tube is made of glass and contains 200 cylindrical pores...
Water resources.
PROBLEM 1: Capillary Tube Hemispherical Gate Above is a tank full of pure water with a depth, D = 3 m (and water below the level of the gate). A hemispherical gate is present as well as a glass tube as shown with the following details: • Hemispherical gate has diameter of 500 mm. • Capillary tube has diameter of 5 mm. Part a.) Find the total force on the gate. Part b.) Draw the force vector that...
2) [10 marks How does the speed of deep water waves depend upon their wavelength (you may neglect surface tension and the depth of the water)? How does the period of oscillation of a drop of water depend upon its radius (you may neglect gravity and any interaction of the drop with its surroundings)? Estimate the length-scale at which the transition from gravity to surface tension being the dominant process to consider occurs. [The surface tension of water is approximately...
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