DP Physics (first assessment 2025)
Question 23M.2.SL.TZ1.8b
| Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.2.SL.TZ1.8b |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | Show that | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 2]
23M.2.SL.TZ1.8b
(b)
Show that the angular speed of the system immediately after the collision is about 5.7 rad s−1.
[2]
Markscheme
angular speed of particle = «12/0.6 = » 20 «rad s−1»
OR
angular momentum of particle «0.200 × 12.0 × 0.60» = 1.44 «Js» ✓
«angular momentum of rod-particle system 0.252 ω»
equating ω = «» = 5.71 rad s−1 ✓
For MP2, working or answer to at least 3 SF should be seen.
