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Sep
6
revised Can mass be totally converted into energy?
fixed some typos
Sep
6
reviewed Reject suggested edit on Two runners on two different tracks
Sep
5
revised How to calculate the kinetic energy of supernova ejecta?
Improved some latex
Sep
5
reviewed Leave Open Should a pen be light or heavy?
Sep
5
comment Conservation laws and continuity equations
I don't really understand what you mean with "quantity teleportation". Also, do you have a specific field in mind?
Sep
5
comment Conservation laws and continuity equations
1. Do you know about flux? And how it comes into these kind of equations? 2. I would say, focus on the physical meaning of the terms in the equations, rather than the equation itself.
Sep
5
reviewed Close Does a moving star have a larger gravitational pull?
Sep
5
reviewed Close Does the speed at which sound travel depend on the volume (amplitude) of the sound?
Sep
5
comment Should a pen be light or heavy?
@ROIMaison I think that only starts to play a role for a pen heavier than hand+wrist+arm.
Sep
5
revised Should a pen be light or heavy?
deleted 3 characters in body; edited title
Sep
5
comment How come the atmosphere moves with Earth?
Also: physics.stackexchange.com/q/66053
Sep
4
reviewed Approve suggested edit on Matsubara Frequencies
Sep
4
comment Physics problems requiring optimization?
@aaragon Simply that is it interesting does not mean that it is suitable on this site. Consider asking on chat.
Sep
4
comment Physics problems requiring optimization?
@aaragon I voted to close as too broad as there are to many possible answers.
Sep
4
comment Physics problems requiring optimization?
So why did you develop this library?
Sep
4
comment Physics problems requiring optimization?
Do you already have some different from physics examples?
Sep
4
comment Static,total and velocity pressure at a point
Tip: Don't ever put any numbers in, until your very last line.
Sep
4
revised Static,total and velocity pressure at a point
added 25 characters in body
Sep
4
comment How can there be a voltage when there is no current?
How large would the resistance be (approximately)?
Sep
4
reviewed Close Why is gravitational potential energy negative?