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Why does the tea in the middle of the cup spin faster when I stir it?

Try this: Make a cup of tea, add sugar, and stir it. Now add some milk, while it's still spinning. What I noticed is that the milk appears to move around a lot quicker in the middle of the cup of ...
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Sensor Temperature with time constant [closed]

I am having trouble with this question on my study guide. I can't seem to find anything on my previous lectures to help me out with it. It is part of my study guide and I think it will be on my exam. ...
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158 views

Is An Exploding Beer Bottle An Accurate Simulation Of A “Frost Quake”?

A Frost Quake or Cryoseism is similar to an earthquake except it is triggered by ice expansion instead of tectonic activity. A Cryoseism may also refer to the sudden movement of a glacier, but I am ...
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Why the pressure of water at 298 Kelvin is 25 mm Hg (torr)? [closed]

Here is the problem, is about the law of Dalton. NH4NO2 decomposes giving N2 (gaseous). NH4NO2 decomposes and collects on water at 198 Kelvin and 748 atmosphere (atm). Vokume 411 ml N2. How many grams ...