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Results tagged with everyday-life
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user 222195
Concerns the application of the laws of physics to analyze common situations encountered in everyday life.
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Why is a mattress more comfortable than a solid ground?
The main question is: what's the physics behind how mattress is way more comfy than a flat solid ground?
I've observed that since in both cases the weight of the mass on a mattress and on the ground g …
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Phase change in oceans
The reason for this misconception is the negligible difference between the density of ice and water. This difference is so small we approximate that there isn't any, so we assume the density, hence th …
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Why do popcorns sizzle after popping?
I've not observed that phenomenon in real life, but if it's true and you're looking for idea, there might be a physics explanation to it. When particles get excited, they tend to dissipates their ener …
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What causes my "kitchen witch" to move?
If the object hanging off the ceiling is light enough, just convection flow of air can constantly nodge it. I don't know exactly what you mean by "kitchen witch" or how the setup is arranged, but I ha …
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What opposes a smooth motion of a rubber eraser on a glass surface?
It all comes down to molecular arrangement. Metal atoms are arranged in a somewhat crystalline configuration called a lattice, and this orderly arrangement is what makes the surface of a buffed and fi …
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Why does a person carry more weight when sitting down?
We have to start with defining the word "carry" in this context. I believe they meant support. In that regard, we'll have to borrow a bit of knowledge from anatomy of the human body. The mass distribu …
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