Herman Trivilino's latest activity
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Herman Trivilino replied to the thread How can I find the cleanout for my building drain?.Can't tell from photo. Can you see it from inside the attic? Does it come straight up through the wall below. If you can determine... -
When I was a practicing EE, none of this ever made sense to me. These problems rarely mention the probability distribution of the data...
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Herman Trivilino replied to the thread Errors and significant figures.Agreed. When rounding off to the so-called appropriate number of sig figs what you are really saying is "Don't worry about the...
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Herman Trivilino replied to the thread Errors and significant figures.That is the issue, so the "correct" answer is a result of however well the instructor or textbook authors understand the issue. The...
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Part of the problem is that there are two common systems which many (most) conflate. Either imply the uncertainty from the number of...
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Herman Trivilino replied to the thread Errors and significant figures.If that's the convention used in your class then that's what you do. That is confusing, but when expressing a result in the form ##x...
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Herman Trivilino replied to the thread Can terminal velocity be determined from the information given?.Either of these are good choices, but I would start with something simpler. Paul G. Hewitt's approach is my favorite. He states that at...
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Herman Trivilino replied to the thread Can terminal velocity be determined from the information given?.Certainly you cannot find a numerical value, but we do know that ##v_{max}=\dfrac{a_o}{k}## where ##a_o## and ##k## are given in the...
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The energy of a photon is inversely proportional to the wavelength. Hence $$\frac{E'-E}{E} = \frac{E'}{E}-1 = \frac{\lambda}{\lambda'}...
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Herman Trivilino replied to the thread Can terminal velocity be determined from the information given?.I think your solution to (b) will confuse your students to the point where they will give up. Don't be surprised if they ask "Will this...
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Herman Trivilino replied to the thread Does it make sense to build new radio telescopes?.Oh ... sorry about that.
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Herman Trivilino reacted to Jaime Rudas's post in the thread Does it make sense to build new radio telescopes? with
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Yes, maybe I didn't clarify that this was a sarcastic response. -
Herman Trivilino replied to the thread Does it make sense to build new radio telescopes?.There's no such thing as an official scientist. Scientists put forth new theories and experiments. They don't always try to refute...
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Herman Trivilino replied to the thread Does it make sense to build new radio telescopes?.Basic research is founded on the basis of advancing knowledge, not with necessarily achieving a particular goal. History has taught us...
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Herman Trivilino replied to the thread B Is space stretching or is new space being created?.That's your problem. There is no accepted explanation to a mystery, that's what makes it a mystery. People can't answer a query based on...