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A cork bounces up and down in water because the cork and water have different densities, causing the cork to float. When you push the cork down, it displaces water and moves back up due to buoyancy. The cork then bounces up and down until it settles at a point where its weight is equal to the buoyant force acting on it.
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Water waves can move a piece of cork floating on top of the water only in a up and down motion?
Yes, water waves typically cause objects floating on the surface to move up and down. This is due to the oscillatory motion of the water particles as the wave passes underneath the object, causing it to bob up and down as the wave crest and trough move past.
Why does water reflect images upside down?
All reflections result in inversions. The only difference is some are lateral (left to right) an others are vertical. Which one it is depends on the positions of the viewer and the reflecting surface.
Is cork a good conductor of heat?
No, cork is not a good conductor of heat. It has a low thermal conductivity, which means it does not transfer heat efficiently. This property makes cork a good insulator for various applications such as wine bottle stoppers and insulation materials.
What is the volume and mass of cork?
The volume and mass of cork can vary depending on the size and density of the cork. On average, cork has a density of about 0.16 - 0.24 grams per cubic centimeter. To calculate the volume of cork, you can measure its dimensions and use the formula for the volume of a rectangular solid (V = l x w x h).
How do you pour water down a string?
To pour water down a string, you can dip the string into the water and let gravity pull the water down the length of the string. Make sure the string is taut and positioned vertically to allow the water to flow smoothly.
Is cork a porous materials?
No. Cork floats because it is not only lighter than water, it doesn't absorb water. That's why cork is used to seal wine and champagne bottles.
Why cork floats in water?
Any object placed in water will be pulled down into the liquid by gravity. But an object less dense than water will only be pulled down until the object displaces an amount of water equal to its own mass. Then it will float. The water will be pushing up equal to the force of gravity pulling down - an equilibrium. Any object that weighs less than its own volume of water will float. It's lower overall density will result in buoyancy.
Do you have to lay wine down?
Only if it has a cork (made of cork wood). Laying it down keeps the cork wet so it doesn't dry out and let air in. If the wine has a screw top then it's fine to stand upright.
What counties in Ireland have only four letters in their name?
Down, Cork and Mayo.
Will a cork float in the center of water?
Only if the beaker is very full and the surface is rounded. Otherwise, the cork will float to the edge of the container (which is typically the highest part of the water).
What are the major cirties in County Cork Ireland?
Cork is the only city in the county of Cork. There are many large towns, but only one city.
Water waves can move a piece of cork floating on top of the water only in a up and down motion?
Yes, water waves typically cause objects floating on the surface to move up and down. This is due to the oscillatory motion of the water particles as the wave passes underneath the object, causing it to bob up and down as the wave crest and trough move past.
Explain the method to find the volume of a cork floating in water?
Step 1: Fill a graduated cylinder with water Step 2: Measure how much water is in the cylinder Step 3: Place the cork in the water Step 4: Measure the amount of water again Step 5: Subtract amount of water without cork and amount of water with cork regular- cork = volume of cork This method is called water displacement.
Why does a cork flaoting on water only bob up and down instead of changing location as a water moves past?
If the water is flowing, like in a river or stream, then the cork goes with the flow. But if it's in a pond, and ripples are rippling out and getting bigger but the cork is just bobbing up and down, then you have learned something very important about transverse waves: The material in transverse waves, like the water in the ripples, or the ground in a seismic surface wave, or the wave in the rope when you snap one end, just moves back and forth across the line of the wave's progress. But although energy is carried along, the material stays where it is and just bobs across the line.
Do all balls bounce and why?
All balls will bounce based on the surface you bounce it on. Even a bowling ball will bounce at least a centimeter or half a centimeter even though it is hard to determine whether it is getting off the ground or not. Of course it wont bounce if you bounce it on something soft and break through, but it will bounce on a hard cement floor. It will bounce because it will have potential energy weighing it down and if the floor is harder than the ball, the ball will move off like opposite sides of a magnet. but only for a while until our gravity pulls it down and stops it. Hope that helped.
Is Cork Airport far from Cork city?
No. It is only about 4 miles or 6.5 kilometres from it.
How does cork acts as a protective tissue?
Cork is an external, secondary tissue that is impermeable to water and gases, and is also called the phellem. The cork is produced by the Cork cambium which is a layer of meristematically active cells which serve as a lateral meristem for the periderm. The cork cambium, which is also called the phellogen, is normally only one cell layer thick and it divides periclinally to the outside producing cork. The phelloderm, which is not always present in all barks, is a layer of cells formed by and interior to the cork cambium. Together, the phellem (cork), phellogen (cork cambium) and phelloderm constitute the periderm. Cork cell walls contain suberin, a waxy substance which protects the stem against water loss, the invasion of insects into the stem, and prevents infections by bacteria and fungal spores.
