PeroK's latest activity
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PeroK reacted to sophiecentaur's post in the thread High School Does acceleration affect impact energy vs constant velocity? with
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Possibly momentum in the wrong direction - the best sort for New Year -
PeroK reacted to Ibix's post in the thread High School Need tips to understand Relativistic Energy in Special Relativity with
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I think this is the integral you are attempting to compute. If so, I'd do it by inspection. For any integrand with a ##1/f^n(x)## it's... -
PeroK replied to the thread Distinguishing Mathematical Consistency from Physical Realizability.You do, however, throw lots of words together to say something simple. For example: All that says is that we need a time parameter to... -
PeroK reacted to QuarkyMeson's post in the thread Undergrad Which-Path from Global Momentum Measurement in Double Slit with
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This is basically what you're asking: https://arxiv.org/pdf/cond-mat/0101157 A global momentum measurement of the screen only yields... -
PeroK reacted to BillTre's post in the thread Alien life, probabilities, and interstellar propagation of human life with
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The Fermi paradox is specifically about advanced life able to make contact with us. This is different from the origin of life, but life... -
PeroK replied to the thread High School Does acceleration affect impact energy vs constant velocity?.This is a good example of the principle of conservation of thread momentum, requiring no ongoing impulse from the OP. -
PeroK replied to the thread Alien life, probabilities, and interstellar propagation of human life.In a more general context, a golden rule of using probability theory is that you understand the sample space. In this case, we simply... -
PeroK replied to the thread Alien life, probabilities, and interstellar propagation of human life.That sounds like a personal theory to me! -
PeroK reacted to Ibix's post in the thread Alien life, probabilities, and interstellar propagation of human life with
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Exactly. That life appeared quite quickly on Earth could mean that it's really easy (as Dave and phyzguy say, abiogenesis could happen... -
PeroK reacted to phyzguy's post in the thread Alien life, probabilities, and interstellar propagation of human life with
Skeptical.
The thing to remember is that, if new life formed today on Earth, it would get eaten very quickly. So you can't conclude that life only... -
PeroK replied to the thread Alien life, probabilities, and interstellar propagation of human life.The real problem is that if you think there must be numerous advanced civilizations in the Milky Way, then how many are there... -
PeroK replied to the thread Introduction: Non-physicist with speculative questions.First, if you post your personal theory, then the thread will be deleted, as per the forum rules. Second, we get several people like... -
PeroK reacted to mr3000's post in the thread Alien life, probabilities, and interstellar propagation of human life with
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https://en.wikipedia.org/wiki/Last_universal_common_ancestor -
PeroK reacted to Mark44's post in the thread Undergrad Ambiguity of the term "indefinite integral" with
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Again, this is nothing more than one part of the Fundamental Theorem of Calculus. Most textbooks will take pains to include an... -
PeroK replied to the thread Alien life, probabilities, and interstellar propagation of human life.It's possible that all life on Earth is descended from a common ancestor. Although, it may have arisen several times. You could start...