vela's latest activity
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vela replied to the thread Why do we spend so little time learning grammar in college?.One time, some punk made a comment about how grammar wasn't important because we understood what he meant. My English professor friend... -
vela reacted to phinds's post in the thread Why do we spend so little time learning grammar in college? with
Like.
@sevensages I have read this thread with some amusement. I am a grammar Nazi, and as some on this forum know, I often correct people's... -
vela replied to the thread Some thoughts about self-education.One thought that occurs to me is that virtually all learning is self-learning. If you enroll in a course and listen to the lectures but...
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vela replied to the thread Volume with spherical coordinates.I'm pretty sure the OP means the surface in R3 defined by ##\theta = \pi/3## in spherical coordinates, which is a cone, and the sphere...
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vela replied to the thread Engineering Why wasn’t gravity included in the potential energy for this problem?.Given the method, I think you should include the potential energy due to gravity (though you should've had ##-mgx##). It feels a bit...
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https://en.wikipedia.org/wiki/Edwin_F._Taylor https://physics.mit.edu/news/obituary-for-edwin-f-taylor/ https://www.eftaylor.com/...
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Maybe I'm a bit dumb, but you have to be a bit more specific if you want to receive help. Personally I can't make anything out of this...
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You must forgive the heresy here at Physics Forums, where we call into question the infallability of the 12th Physics CBSE Board!
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vela replied to the thread Complex Numbers (Laurent Series).Your teacher is not infallible, so I'd reach out for clarification about the intended function and intended domain. Note that your...
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vela replied to the thread Stacked blocks & pulley system.The problem statement explicitly says ##M## is heavy enough to cause the masses to slide up the incline.
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vela reacted to jack action's post in the thread Problem about units conversion: cm^2 --> m^2 with Like.
No, it is 0.01 m² = 100 cm². The exponent on the units is important: (0.1 m) X (0.1 m) = (0.1 X 0.1) (m X m) = 0.01 m.m = 0.01 m²; (10...
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That was one of the great Oscar travesties. Ordinary People over The Elephant Man and Raging Bull?! Best director and best picture?!
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https://www.aapt.org/Conferences/ lists the next set of conferences 2026 Winter Meeting - January 17 - 19, Las Vegas, Nevada 2026...
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vela replied to the thread Errors and significant figures.The idea behind error propagation is to calculate the uncertainty in the result. Once you know the uncertainty, it tells you where to...
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vela reacted to haruspex's post in the thread Will Y-Direction Motion Cease with X-Direction Acceleration Only? with
Haha.
I suggest using the subjunctive here.