DP Physics (first assessment 2025)
Question 20N.2.HL.TZ0.7b
Date | November 2020 | Marks available | [Maximum mark: 2] | Reference code | 20N.2.HL.TZ0.7b |
Level | HL | Paper | 2 | Time zone | TZ0 |
Command term | Explain | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 2]
20N.2.HL.TZ0.7b
(b)
Explain the changes to the rotational kinetic energy in the person-turntable system.
[2]
Markscheme
the rotational kinetic energy has increased ✓
energy is provided by the person doing work «flipping the wheel» ✓
OWTTE
