DP Physics (first assessment 2025)

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Question EXE.1A.HL.TZ0.6

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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

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