DP Physics (first assessment 2025)
Question EXE.1A.HL.TZ0.6
Date | Example questions Example questions | Marks available | [Maximum mark: 1] | Reference code | EXE.1A.HL.TZ0.6 |
Level | HL | Paper | 1A | Time zone | TZ0 |
Command term | Question number | 6 | Adapted from | N/A |
6.
[Maximum mark: 1]
EXE.1A.HL.TZ0.6
A flywheel of moment of inertia 0.50 kg m2 rotates anti-clockwise with an initial angular velocity of 15 rad s−1. A torque is applied to the flywheel and its angular velocity changes to 25 rad s−1, rotating clockwise.
What is the angular impulse delivered to the flywheel?
A. 5.0 N m s
B. 10 N m s
C. 20 N m s
D. 40 N m s
[1]
Markscheme
C