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vote
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Temperature of a particle moving in a gravity field
I have a seemingly simple question that is still puzzling to me.
The temperature of an atom is proportional to its kinetic energy. If an atom now moves upwards in a gravity field, its kinetic energy ...
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1
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1
answer
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How does the Earth have enough gravity to hold on to its atmosphere? [duplicate]
I'm looking for numbers/math that describe how earth (or any other planet) holds on to it's atmosphere.
Presumably, we would be able to determine the exact atmospheric pressure that we would expect ...
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4
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Does gravity acting on a resting object produce any heat?
Let's compare two systems.
System 1: A box is completely isolated. There are no forces acting on that object, and no interactions of any kind with other objects, waves, etc..
System 2: The same box ...
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