Showing posts with label Everyday Physics. Show all posts
Showing posts with label Everyday Physics. Show all posts

Does water swirl counter-clockwise in the Southern Hemisphere?


Does water swirl counter-clockwise in the Southern Hemisphere?
Answer:Yes and no. When applied to toilets and sinks, this is one of those “too good to be true” science factoids, I’m afraid. But it does apply in some situa…
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Have you ever been on a train going through a tunnel or a plane and your ears pop? Why does this happen?


Have you ever been on a train going through a tunnel or a plane and your ears pop? Why does this happen?
A: Inside your ear there is a pocket of air. This pocket is normally at the same pressure as the air outside your ear to help you hear, but if the air pressur…
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Free Kick and Physics


Free Kick and Physics
One footballing situation particularly stands out as relevant to physicists: the free kick. Since the goal is typically defended with a wall of players, sco…
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How does an ice pyramid work?


How does an ice pyramid work?
Ice Spikes If you go out one morning, just as the temperature has really started to drop, you might be forgiven for thinking that tiny aliens landed in your …
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How do speakers work?


How do speakers work?
Q.How do speakers work? A. Speakers come in all shapes and sizes, enabling you to listen to music on your iPod, enjoy a film at the cinema or hear a friend’…
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How does GPS(Global Positioning System) work?


How does GPS(Global Positioning System) work?
Q. How does GPS(Global Positioning System) work? A. The Global Positioning System (GPS) is a network of about 30 satellites orbiting the Earth at an altitud…
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What is Elastic Potential Energy?


What is Elastic Potential Energy?
Elastic Potential Energy Any object than can be deformed (have its shaped changed) and then return to its original shape can store elastic potential energy.…
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What is the Physics Behind Vacuum Cleaner?


What is the Physics Behind Vacuum Cleaner?
When you sip soda through a straw, you are utilizing the simplest of all suction mechanisms. Sucking the soda up causes a pressure drop between the bottom of …
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What is the Physics Behind Walking on Broken Glass?


What is the Physics Behind Walking on Broken Glass?
For this demonstration the glass bottles should first be soaked in water to remove any paper labels. An alternative is to use Mason jars. It is best to use f…
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How lightning rod works?


How lightning rod works?
The lightning rod, which Benjamin Franklin invented in 1749, is a metal pole mounted atop a building that draws lightning's electrical charge away from t…
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Difference Between Echo and Reverberation


Difference Between Echo and Reverberation
Like all waves, sound waves can be reflected. Sound waves suffer reflection from the large obstacles. As a result of reflection of sound wave from a large ob…
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Echo-Reflection of Sound (School Level)


Echo-Reflection of Sound (School Level)
Like all waves, sound waves can be reflected. Sound waves suffer reflection from the large obstacles. As a result of reflection of sound wave from a large obs…
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MEASUREMENT OF DENSITY


Introduction In order to classify and identify materials of a wide variety, scientists use numbers called physical constants (e.g. density, melting point…
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Surface Tension-Unit-Examples


Surface Tension-Unit-Examples
Surface tension is a phenomenon in which the surface of a liquid, where the liquid is in contact with gas, acts like a thin elastic sheet. This term is typica…
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Basic Unit Conversions


Basic Unit Conversions
Ans:In the field of science, the metric system is used in performing measurements. The metric system is actually easier to use than the English system, a…
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Projectile Motion (College Level)


Projectile Motion (College Level)
Projectile is a body thrown with an initial velocity in the vertical plane and then it moves in two dimensions under the actio…
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