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Gavran's latest activity
G
Gavran
reacted to
bob012345's post
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Geometry problem of interest with a 3-4-5 triangle
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The two solutions with square edges along the triangle sides cut the triangle into either two or three smaller 3-4-5 triangles. The case...
Aug 22, 2025
G
Gavran
reacted to
Charles Link's post
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I
Geometry problem of interest with a 3-4-5 triangle
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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 22, 2025
G
Gavran
replied to the thread
I
Geometry problem of interest with a 3-4-5 triangle
.
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
G
Gavran
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B
Question about pressure of a liquid
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A small amount of water in a tube means a small amount of potential energy of water, which means a small amount of work that can be done.
Aug 19, 2025
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Gavran
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Mike_bb's post
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What does equiprobable mean in the context of thermal motion?
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If we consider example with coin then we'll obtain that probability of one of two side is 1/2. But experiment show that we can obtain...
Aug 19, 2025
G
Gavran
replied to the thread
I
What does equiprobable mean in the context of thermal motion?
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There is an interesting text which can help you for better understanding. Maxwell–Boltzmann distribution
Aug 18, 2025
G
Gavran
reacted to
SammyS's post
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Geometry problem of interest with a 3-4-5 triangle
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Here I have quoted Post#36, where you refer to @bob012345 's figure in Post #35. Rotate bob0.., 's figure by ##22.5^\circ##, ignoring...
Aug 18, 2025
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Gavran
reacted to
berkeman's post
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eVinci MCNP input file
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Welcome to PF. Can you just contact Westinghouse to request the file?
Aug 18, 2025
G
Gavran
replied to the thread
Irodov- 1.123- Simple conceptual question with two masses connected by a spring
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The total force on the bar m1 is not zero, so the external force F is not in balance with the spring force and the frictional force.
Aug 15, 2025
G
Gavran
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DaveC426913's post
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Geometry problem of interest with a 3-4-5 triangle
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Informative
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I don't follow. The figure is perfectly symmetical. How can the central octagon not have eight 135 degree inner angles? Sunuvagun. So...
Aug 15, 2025
G
Gavran
reacted to
Charles Link's post
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Geometry problem of interest with a 3-4-5 triangle
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@Gavran It helps to go back to the diagrams of post 23 to see this, (for the 3-4-5 case), because the results are not displayed nearly...
Aug 14, 2025
G
Gavran
replied to the thread
I
Geometry problem of interest with a 3-4-5 triangle
.
Both octagrams in the post #28 are irregular octagrams and the first one has an irregular octagon in the centre while the second one has...
Aug 14, 2025
G
Gavran
reacted to
Charles Link's post
in the thread
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Geometry problem of interest with a 3-4-5 triangle
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@Gavran On the video of post 28, they missed the boat I think when they tried to do the regular octagon. I sketched it myself at...
Aug 14, 2025
G
Gavran
replied to the thread
I
Geometry problem of interest with a 3-4-5 triangle
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The polygon is an isotoxal octagram. The source: https://en.wikipedia.org/wiki/Octagram. There is an interesting video which shows a...
Aug 13, 2025
G
Gavran
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Announcement
Please welcome berkeman as PF Admin
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Congratulations!
Aug 12, 2025
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