Dale's latest activity
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Dale replied to the thread Paul Hinds has passed.Oh, no! Thank you for letting us know, Robert. Your dad was amazing and I will miss him -
Good afternoon, This is not Paul, but rather his son Robert. I am very sad to write here that my dad passed away on Saturday...
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Dale reacted to sophiecentaur's post in the thread High School Does acceleration affect impact energy vs constant velocity? with
Like.
The OP could clear up the context of the question. It all depends on where the original question arose in his mind. If it came from a... -
Dale replied to the thread High School Does acceleration affect impact energy vs constant velocity?.I don’t think that car collisions are central to their question. They mentioned it once after many posts either not specifically about...
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Dale replied to the thread High School Does acceleration affect impact energy vs constant velocity?.I don’t think the question is specific to car collisions. It seems to me that the OP just wants the simplest basic principles to use to...
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Dale replied to the thread High School Does acceleration affect impact energy vs constant velocity?.That can happen momentarily in an elastic collision.
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Dale replied to the thread High School Does acceleration affect impact energy vs constant velocity?.Yes, elastic collisions are bouncy. I don’t think that is a problem here.
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The orange of neon, and the blue of argon/xenon, are fluorescence colors. De-excitation occurs in a sequence of smaller energy steps...
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I'm sorry I annoyed you with my question. However, your quote from Wikipedia does not really answer my question about the different...
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Dale reacted to Ibix's post in the thread High School Traveling through space at zero km/s with Like.
This is correct, and you will find it in physics textbooks too. This, however, is impossible. If you attempt to construct a frame of...
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Dale reacted to Greg Bernhardt's post in the thread Member and Mentor Appreciation Thread with Like.
It's sure been a wild ride this year! Between some AI missteps and breaking LaTeX for a good portion of the year (at least we got dark...
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Dale replied to the thread High School Does acceleration affect impact energy vs constant velocity?.I haven’t calculated it directly myself, but I think that you will need the following: Newton’s 2nd law $$\Sigma \vec F= m \vec a$$...
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Dale replied to the thread High School Does acceleration affect impact energy vs constant velocity?.Deformations may still be involved, just elastic deformations. That is the type of deformation given by Hookes law in my post above...
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Dale reacted to jedishrfu's post in the thread Undergrad My basic understanding of set theory with Like.
Your observation is encoded in Cantor’s notion of aleph numbers, which measure different sizes of infinity. The natural numbers have...
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Dale reacted to FactChecker's post in the thread Undergrad My basic understanding of set theory with Like.
That's a good observation. There are multiple ways of having infinities within infinities within ... Cantor developed that idea...
