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Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.It means that you take the average. That's what the bracket notation <...> means. So the average value of ##v_x^2## is ##<v_x^2>##. And... -
Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.The book you're reading is written for physics majors. Probably at the graduate level, so it's meant for students who've had previous...
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Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.Yes, with the qualifications stated below. Not if you have a tremendously large number of molecules, which you do. So the chances of...
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Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.Because the x-direction is chosen randomly. It could have been the y-direction that was chosen instead, or indeed any direction.
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Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.What I can glean from the translation is that you imagine drawing an arrow representing the velocity vector for each molecule, and then...
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Herman Trivilino reacted to A.T.'s post in the thread I What does equiprobable mean in the context of thermal motion? with
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Make a picture of the page and put it into Google Lens or similar to translate it. We have the year 2025. -
Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.We need more than that. A proper reference gives us the book's title, author, publisher, etc. And the page number.
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Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.What source? We need to know. Without context I can only guess, and chances are that would just take you down the wrong rode. Tell us...
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Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.Are you talking about the velocities of two different molecules? And those are two molecules in a macroscopic sample of gas? What do you...
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Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.If I understand your question, the answer would be any vector not parallel to the y-axis will have a nonzero x-component. Not sure what...
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Herman Trivilino replied to the thread I What does equiprobable mean in the context of thermal motion?.The difference in sample sizes is highly significant. You have Avagadro's Number of molecules, say, in a liter of gas. I can't imagine...
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Herman Trivilino replied to the thread B Newton's first law?.What's not the point? The entire post is a discussion involving thinking about these things now. And getting a right answer before class...
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Herman Trivilino replied to the thread B Newton's first law?.Instead of textbooks, go to the source. Newton's First Law as stated in the Principia: "Every body continues in its state of rest, or...
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OK. So you really are interested in what Newton said. But please don't use what he said as anything that contradicts modern statements...
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Herman Trivilino replied to the thread B Why is the 3 body problem unsolvable? And what will happen if someone solves it?.Oh, it's definitely solvable, and we know how to solve it. So your conclusion is correct, but I don't see how it follows from your...