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PHYSICS 1A · Dis 1C

Physics for Scientists and Engineers: Mechanics

Fall 2026Dong, L.5 units

Seats, time, final and grades

Seats

Closed.

Capacity 38; the registrar reports 1 over capacity.

Read 4 hours ago. The latest refresh is overdue. Seats and instructors may have changed since. Check the registrar before enrolling.

Its lecture reads closed (189 of 189 · 1 over enrolled): you attend both, so this seat is not one you can take while that holds. No waitlist listed.

Meets

W 4:00pm-4:50pm

This discussion only. You also attend Lec 1.

Final

Tue 8 Dec, 11:30am to 2:30pm

One exam for the whole class, Los Angeles time.

Read 22 hours ago.

Grades

3.11

Predicted GPA

Historical records across all instructors; 4,710 letter grades

dibs has seen this section open 18 times since 17 August. The last time was 13 October. 5 of those were readings where the capacity figure moved and the enrolled count did not, so dibs could not tell whether a seat existed and did not send an alert.

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Your year

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When you can enroll

Set your appointment or acknowledge that an open seat may not be available to you yet.

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A watch slot

25 per account. A lecture watch also covers its discussions. Paused watches still use a slot.

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Before you can enroll

Tell dibs what you have already taken and this line will say which of these you have. Your list.

The registrar says this two ways. Its requisites table calls the requisite above a warning, so enrollment is not blocked, and its course description for PHYSICS 1A calls the same requisite enforced. dibs follows the table and cannot tell you which one the department will act on. Read the registrar's own page.

Restrictions read 22 hours ago.

When it meets

This discussion and its linked lecture.

Mon
Tue
Wed
Thu
Fri
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm

Lec 1

8am-9:50am

Dis 1C

4pm-4:50pm

Lec 1

8am-9:50am

Scroll sideways for the whole week. All meeting times are listed below.

  • Dis 1C

    W 4:00pm-4:50pm

  • Lec 1 (required lecture)

    TR 8:00am-9:50am

Physics and Astronomy Building 2434

Grades

3.11

Predicted GPA

Historical records across all instructors; 4,710 letter grades

Of the 13 people in the grade record for PHYSICS 1A, the 2 with the most grades: KAMAHA, ALVINE at 2.89 over 912 grades and VASSILIEV, VLADIMIR V at 3.26 over 881 grades.

A range
42%
P/NP
1%
D/F/W
5.4%

Full grade history for PHYSICS 1A

What students say

dibs measures outcomes: grades, seats, how fast it fills. For what the class is actually like to sit in, BruinWalk has the reviews.

What the work looks like

  • 3 exams, 2 mentions in past reviews
  • 5 quizzes, 1 mention in past reviews
  • Problem sets mentioned, no number given, 1 mention in past reviews

Based on 534 reviews; source checked about 2 months ago. dibs counts only what a review actually states, so a kind of work nobody mentioned is absent rather than zero.

Will it still be here

high risk chance of closing before your enrollment pass.

Final enrollment per term from four years of grade data. Summer excluded: different population, different pass structure.

  • 15421F
  • 16122W
  • 17722S
  • 18522F
  • 15823W
  • 16923S
  • 18623F
  • 15424W
  • 13424S
  • 18524F
  • 15325W
  • 15425S
  • 18725F
Enrollment by term: 21F 154, 22W 161, 22S 177, 22F 185, 23W 158, 23S 169, 23F 186, 24W 154, 24S 134, 24F 185, 25W 153, 25S 154, 25F 187

Peak 187 · most recent 25F at 187

Seats over time

Nothing read since 16 Oct, 4 hours ago. Over the 2 months before that, filled by 4.

18 times reopened
38 of 38 · no seats left
17 Aug 16:5516 Sep 17:2416 Oct 17:53 · 4 hours ago
Checked 168 of the 593 hours with hourly history, 28%. No reading was recorded in 425 hours. dibs had no hourly record before 22 Sep, which is the other 849 of 1442 plotted.38 of 38 enrolled at the newest reading, 4 hours ago, and no seats left. Seats from 17 Aug 16:55 to 16 Oct 17:53, 34 to 38. Checks are not continuous monitoring. Changes between checks may be missed.

A dot is a reading where something moved: the seat count, the status, or the waitlist. Flat between dots joins recorded counts; changes between reads may be missed. The line starts when dibs first saw this section rather than reaching back before it existed. The last one is the last time dibs read this section, moved or not, and that was 4 hours ago. It is where the line stops, not where the count is now.

Show the readings (98)
Recorded Enrolled Capacity Status Waitlist Hours read
16 Oct 17:53 38 38 closed - 21 of 68
13 Oct 22:32 38 38 closed - 7 of 22
13 Oct 01:52 37 38 open - 20 of 70
10 Oct 04:42 38 38 closed - 6 of 28
9 Oct 01:22 38 39 open 0 of 2 14 of 47
7 Oct 03:52 29 29 waitlist 0 of 2 16 of 54
4 Oct 22:52 39 39 waitlist 0 of 2 10 of 45
3 Oct 02:12 39 39 waitlist 1 of 2 32 of 98
29 Sep 01:32 39 39 closed 2 of 2 23 of 76
25 Sep 22:22 39 39 waitlist 1 of 2 2 of 5
25 Sep 18:52 39 39 closed 2 of 2 2 of 4
25 Sep 15:22 39 39 waitlist 1 of 2 5 of 14
25 Sep 02:22 39 39 closed 2 of 2 6 of 18
24 Sep 09:12 39 39 waitlist 1 of 2 3 of 8
24 Sep 02:02 39 39 waitlist 0 of 2 8 of 26
23 Sep 01:32 39 39 waitlist 1 of 2 5 of 15
22 Sep 11:32 39 39 waitlist 0 of 2 4 of 36, 25 no hourly record
21 Sep 00:02 39 39 waitlist 1 of 2 no hourly record
20 Sep 21:42 39 39 closed 2 of 2 no hourly record
20 Sep 19:12 39 39 waitlist 1 of 2 no hourly record
17 Sep 19:22 39 39 closed 2 of 2 no hourly record
17 Sep 15:52 39 39 waitlist 1 of 2 no hourly record
17 Sep 12:22 39 39 waitlist 0 of 2 no hourly record
15 Sep 11:32 39 39 closed - no hourly record
15 Sep 03:52 38 39 open - no hourly record
15 Sep 00:02 37 39 open - no hourly record
14 Sep 20:32 38 39 open - no hourly record
12 Sep 03:37 37 39 open - no hourly record
12 Sep 00:12 34 39 open - no hourly record
11 Sep 22:02 37 39 open - no hourly record
10 Sep 13:40 34 39 open - no hourly record
9 Sep 01:40 34 38 open - no hourly record
9 Sep 00:40 34 37 open - no hourly record
8 Sep 22:40 34 38 open - no hourly record
5 Sep 02:40 34 37 open - no hourly record
3 Sep 23:40 33 37 open - no hourly record
3 Sep 21:40 33 35 open - no hourly record
3 Sep 11:27 33 37 open - no hourly record
3 Sep 01:40 33 35 open - no hourly record
31 Aug 02:40 32 35 open - no hourly record
30 Aug 23:40 33 35 open - no hourly record
30 Aug 21:40 32 35 open - no hourly record
30 Aug 19:40 33 35 open - no hourly record
30 Aug 17:40 32 35 open - no hourly record
30 Aug 16:40 33 35 open - no hourly record
30 Aug 12:40 32 35 open - no hourly record
30 Aug 11:40 33 35 open - no hourly record
30 Aug 10:40 32 35 open - no hourly record
27 Aug 18:40 33 35 open - no hourly record
26 Aug 01:40 34 35 open - no hourly record
26 Aug 00:40 34 36 open - no hourly record
25 Aug 23:40 34 35 open - no hourly record
25 Aug 22:40 34 36 open - no hourly record
25 Aug 21:55 34 35 open - no hourly record
25 Aug 20:55 34 36 open - no hourly record
25 Aug 19:55 34 35 open - no hourly record
25 Aug 17:55 34 36 open - no hourly record
25 Aug 16:55 34 35 open - no hourly record
24 Aug 19:55 34 36 open - no hourly record
24 Aug 17:55 34 35 open - no hourly record
24 Aug 15:55 34 36 open - no hourly record
24 Aug 14:55 34 35 open - no hourly record
24 Aug 13:55 34 36 open - no hourly record
24 Aug 11:55 34 35 open - no hourly record
24 Aug 10:55 34 36 open - no hourly record
22 Aug 00:55 34 35 open - no hourly record
21 Aug 23:55 35 35 closed - no hourly record
21 Aug 22:55 34 35 open - no hourly record
21 Aug 21:55 35 35 closed - no hourly record
21 Aug 20:55 34 35 open - no hourly record
21 Aug 19:55 35 35 closed - no hourly record
21 Aug 18:55 34 35 open - no hourly record
21 Aug 16:55 35 35 closed - no hourly record
21 Aug 14:55 34 35 open - no hourly record
21 Aug 12:55 35 35 closed - no hourly record
21 Aug 11:55 34 35 open - no hourly record
21 Aug 10:55 35 35 closed - no hourly record
21 Aug 09:55 34 35 open - no hourly record
21 Aug 01:55 35 35 closed - no hourly record
20 Aug 23:55 33 35 open - no hourly record
20 Aug 21:55 35 35 closed - no hourly record
20 Aug 20:55 33 35 open - no hourly record
20 Aug 19:55 35 35 closed - no hourly record
20 Aug 18:55 33 35 open - no hourly record
20 Aug 17:55 35 35 closed - no hourly record
20 Aug 01:55 33 35 open - no hourly record
20 Aug 00:55 34 34 closed - no hourly record
19 Aug 23:55 34 35 open - no hourly record
19 Aug 21:55 33 35 open - no hourly record
19 Aug 19:55 34 34 closed - no hourly record
19 Aug 18:55 34 35 open - no hourly record
19 Aug 15:55 34 34 closed - no hourly record
19 Aug 14:55 34 35 open - no hourly record
19 Aug 13:55 34 34 closed - no hourly record
19 Aug 12:55 34 35 open - no hourly record
19 Aug 10:55 34 34 closed - no hourly record
19 Aug 09:55 34 35 open - no hourly record
17 Aug 16:55 34 34 closed - -
How readings and alerts work

Dated seat counts can be available even when hourly check history is missing. Gaps do not show whether seats changed between observations.

Seat counts show the last successful read, not live availability. Refreshes can be delayed by request limits or upstream interruptions. Watched sections receive priority, but an hourly update for every section is not guaranteed.

The registrar can change a seat count between our checks. Alerts depend on dibs detecting an opening and completing delivery; a quiet watch does not prove that no seat opened. Check the registrar before enrolling.

Class chat

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Dis 1C shares one room with Lec 1 and every other discussion under it, because that is what a student means by "my class".

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