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Charles Link's latest activity
Charles Link
replied to the thread
Collision of a bullet on a rod-string system: query
.
and a follow-on: again I'm not so sure about your point of reference. The center of mass is stated in Becker to be one of the...
Aug 27, 2025
Charles Link
replied to the thread
Collision of a bullet on a rod-string system: query
.
I computed ## \int T \, dt ##, and with what I computed, the velocity of the point of attachment is moving perpendicular to the string...
Aug 27, 2025
Charles Link
replied to the thread
Collision of a bullet on a rod-string system: query
.
Very interesting, but I need to think about it a whole lot more. With the approach that I took, the system gets balanced by an impulse...
Aug 27, 2025
Charles Link
replied to the thread
Collision of a bullet on a rod-string system: query
.
I now have a preliminary solution to the problem posed in the OP. I think you can make the assumption that the string can stretch a...
Aug 27, 2025
Charles Link
reacted to
WWGD's post
in the thread
Collision of a bullet on a rod-string system: query
with
Like
.
A Rod? I thought he had retired. Ask @Charles Link , he's the main Baseball guy here.
Aug 26, 2025
Charles Link
replied to the thread
Collision of a bullet on a rod-string system: query
.
Yesterday, with @WWGD mentioning me, was the first look that I had at this thread. I read the problem in the OP, but I don't want to...
Aug 26, 2025
Charles Link
reacted to
sophiecentaur's post
in the thread
I
Energy of Electromagnetic Waves in Destructive Interference
with
Like
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Yes. Whatever diffraction pattern you manage to produce with your source (and you can design a source to produce any pattern you want -...
Aug 23, 2025
Charles Link
replied to the thread
I
What does equiprobable mean in the context of thermal motion?
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I didn't read every post, but Reif's book Statistical and Thermal Physics would answer just about anything you would want to know on...
Aug 23, 2025
Charles Link
reacted to
Gavran's post
in the thread
I
Geometry problem of interest with a 3-4-5 triangle
with
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I can recognize a lot of squares with three corners touching the three triangle’s sides while the fourth square’s corner does not touch...
Aug 21, 2025
Charles Link
replied to the thread
I
Geometry problem of interest with a 3-4-5 triangle
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When the diagonal is vertical, that has ## m=1 ##, and my formula for ## s ## agrees with that result, s=12/11 root(2), but it is not...
Aug 21, 2025
Charles Link
reacted to
bob012345's post
in the thread
I
Geometry problem of interest with a 3-4-5 triangle
with
Like
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I got the maximum and one relative maximum but missed the minimum. I had the diagonal of the square vertical which gives s=12/11 root(2).
Aug 21, 2025
Charles Link
replied to the thread
I
Geometry problem of interest with a 3-4-5 triangle
.
I think I have a solution to this, but I need to double-check my calculations. It was a little tricky computing the size of the square...
Aug 20, 2025
Charles Link
reacted to
bob012345's post
in the thread
I
Geometry problem of interest with a 3-4-5 triangle
with
Like
.
It might be interesting to consider a square inscribed in a 3-4-5 triangle. If the square must touch all three sides, what is the...
Aug 20, 2025
Charles Link
reacted to
eneacasucci's post
in the thread
I
Lennard-Jones potential and interatomic distance
with
Like
.
This explanation is super informative and accurate, I cannot thank you enough for this. My notes were wrong and I was so confused about it.
Aug 20, 2025
Charles Link
reacted to
Steve4Physics's post
in the thread
I
Lennard-Jones potential and interatomic distance
with
Like
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@eneacasucci, I'd like to add this to what @Charles Link has said. That's not what the graph shows. The graph shows the potential...
Aug 20, 2025
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