DaveE's latest activity
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DaveE replied to the thread Studying Correlating IQ and STEM performance.What an odd question. Perhaps you could be more specific? 1) STEM is not a measurement. Perhaps you need a performance metric? Or are... -
DaveE reacted to kuruman's post in the thread Which textbook should I use for self studying calc-based physics? with
Like.
I have used all three in the calculus-based introductory courses that I taught at university level and found them all satisfactory. My... -
DaveE reacted to davenn's post in the thread Mag 6.8 Earthquake, 5 km E of Uto, Kumamoto Prefecture, Kyushu, Japan with Like.
From my seismo
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DaveE replied to the thread Tick-borne diseases - recent increases in cases.Most zoonotic tickborne disease in humans comes from blacklegged ticks (deer ticks), not from dog ticks (RMSF is the biggest exception)...
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DaveE reacted to hutchphd's post in the thread Tick-borne diseases - recent increases in cases with Like.
You should visit my brother in Belfast ME USA on his 135 acres. In the good old days when there was snow and vicious cold every...
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DaveE reacted to Laroxe's post in the thread Tick-borne diseases - recent increases in cases with Like.
I really wish that people would stop trying to link the spread of vector born diseases to changing temperatures. I have yet to see any...
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There is a unique answer for the purely vertical motion: ##\omega=\frac{gT}{2R}## $$-\frac{gT^2}{2}+\omega R T=0$$ Just read the text...
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##T## is fixed.
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DaveE replied to the thread SHM amplitude and angular frequency from velocity equations.One of the things you'll need to learn in the real world, after you leave school, is that there usually is no answer key, and there...
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DaveE replied to the thread High School Just a cool high school problem.Yes, so there is no unique answer for the purely vertical motion of the particle. It will hit the wheel at the same height it left...
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I don't understand why is infinity a problem. Sure, it is not intuitive and sometimes it complicates things. But to negate the infinity...
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DaveE reacted to Dale's post in the thread Undergrad Single-photon double-slit with multiple apparatus? with Like.
OK, so the test you are proposing is actually not a strong test of this. If you want to test for “apparatus history” you would want the...
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DaveE replied to the thread Graduate An electrolytic capacitor keeps charging by itself.Wait. Are you disrespecting the 100pW of charging power my previous data clearly demonstrated (at least once, anyway)? :wink: Yea...
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DaveE reacted to Baluncore's post in the thread Graduate An electrolytic capacitor keeps charging by itself with Like.
Fifty years ago I remember reading about a device from fifty years before that. There can be rectifier action in every asymmetrically...
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DaveE replied to the thread Graduate An electrolytic capacitor keeps charging by itself.Not precisely true. While larger in electrolytics, this is a well known effect in HV film and oil caps, which is why they are always...