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Edited lecture videos for the most recently completed classes (Physics 4A and 4C) have been uploaded to our YouTube channel, in the usual playlists: Physics 4A playlist and Physics 4C playlist. Also, the backlog of Physics 4B videos from Fall 2023 semester has been processed (and in Physics 4B playlist).

During the last semester, it was feasible to process these virtual class session videos during the semester (I kinda had to in Spring 2024, as I had two sections of Physics 4A and I couldn’t hold a separate set of virtual class sessions for the later section of Physics 4A), so I think I’ll try doing that this semester again. It’ll help lighten the prep work between semesters.

Finally, I recorded a lecture I’ve been meaning to for a while: Physics 4B – Intro to Gauss’s Law and Electric Flux. It replaces the one set of in-person lectures that I’ve never been all that happy with. I have even tried re-editing it before (Physics 4B – Introduction to Gauss’s Law, ver 2), but at some point, the only way to fix it properly was to re-record it from scratch. It took a long time writing out the full script (I usually just wing it live) and then trying to actually follow that script for the recording (but, you know, not actually learn the lines, because I’m not an actor), but, well, I think it’s definitely better than the other lecture. I’ll have to see what the reception is like.

Edited lecture videos for Physics 4A (Fall 2023) have been uploaded to our YouTube channel, and as usual, they are available in the playlist: Physics 4A playlist.

P.S. I have the Physics 4B videos from Fall 2023 semester, but I won’t be able to get to editing and processing them until Summer.

Edited lecture videos for Physics 4A (Spring 2023), Physics 4B (Fall 2022), and Physics 4C (Spring 2023) have been uploaded to our YouTube channel.

As usual, the most recent orientation session video has replaced the older orientation session video, at the beginning of the playlist. The newly edited videos are at the end of the playlist, and as I work through updating next semester’s course sites on Canvas LMS (Physics 4A and 4B for Fall 2023), I will place these videos into proper place.

Oh, and one new playlist I’m creating (mostly for material that I imagine I need to do on a semesterly basis, because things change between semesters): Physics 4 Conceptual Questions.

And as usual, the regular playlists are organized by courses:

• Physics 4A playlist
• Physics 4B playlist
• Physics 4C playlist

This is something to fill in the gap in OpenStax coverage I found last semester, motion graphs. Other textbooks I have used before have a section or a subsection dedicated to this topic, which seems to be missing on OpenStax University Physics Volume 1.

So, this is the note written to cover the gap (may need to revise a little in the future, after lecturing on additional examples).

I finished processing recorded virtual class sessions from Spring 2022 (for Physics 4A and Physics 4C) and posted them on our YouTube channel (https://youtube.com/c/CoAPhysics). As usual, they are added at the end of the existing playlists (Physics 4A playlist and Physics 4C playlist) and moved around as I prepare for the new semester (the videos occur roughly in the order they appear in the course LMS site).

Oh, I guess this means the Physics 4C playlist will remain in that order for some time, as I am working on Physics 4A and 4B material for the upcoming semester.

Oh, I don’t really have a place—a proper page—to post these yet, but needing to find a place to post these files somewhere public was the genesis of this website (and why can’t I find a .EDU website to do that on? well, I don’t ask the unanswerable questions).

• Physics 3A Lab Manual
• Physics 3B Lab Manual