PeroK's latest activity
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PeroK replied to the thread Undergrad Please Explain (actually explain) The Monty Hall Problem.This is the critical assumption/characteristic of the game. First, Monty's pick is not random (he never reveals the car); and second... -
PeroK replied to the thread Undergrad Comparing ##a^b## and ##b^a##.The general solution must be transcendental, similar to the Lambert W-function. -
PeroK reacted to Dale's post in the thread Undergrad Comparing ##a^b## and ##b^a## with
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Mathematica has a function called "RegionPlot" that makes them very easy. Without the "pretty" options for the labels and the gridlines... -
PeroK reacted to renormalize's post in the thread Undergrad Relativity, time, and quantum mechanics with
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This is a follow-up to my post #27 (which so far has not received any specific comments), in which I drew from the 1982 Silverman... -
PeroK reacted to A.T.'s post in the thread High School Is it safe to fly in a spinning hollow asteroid? with
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People on Earth are flying around using hang gliders, paragliders etc. I have never heard anyone suggesting placing safety nets all over... -
PeroK reacted to ohwilleke's post in the thread High School Is it safe to fly in a spinning hollow asteroid? with
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To be clear, you mean impact with the ground inside the asteroid, not the asteroid impacting something else. And, it seems that this... -
PeroK reacted to ernestuz's post in the thread Other Hi, I need some advice about how to publish with
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Hi, my main interest is having it peer reviewed. I managed to have three people having a look at it, Finally. 2 of them are related to... -
PeroK reacted to Rick16's post in the thread Undergrad Velocity of a free particle using Landau's approach with
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The fact that dL/dv is constant was never the question. The question was why v is constant. -
PeroK replied to the thread There Be Monsters by Dave Collins.Well done! I couldn't resist asking ChatGPT what it thought of your title. It was generally positive: 'It echoes the old cartographic... -
PeroK replied to the thread Undergrad Velocity of a free particle using Landau's approach.Maybe it isn't the only solution. Any function of ##v## is also a function of ##v^2##. That said, you could specify that the Taylor... -
PeroK reacted to Vincf's post in the thread Undergrad Velocity of a free particle using Landau's approach with
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Yes, it works in that direction. What I found more difficult was proving that it's the only possibility regardless of the Lagrangian...