DP Physics (first assessment 2025)

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Question 22M.2.SL.TZ1.1c.ii

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Date May 2022 Marks available [Maximum mark: 2] Reference code 22M.2.SL.TZ1.1c.ii
Level SL Paper 2 Time zone TZ1
Command term Calculate, State Question number c.ii Adapted from N/A
c.ii.
[Maximum mark: 2]
22M.2.SL.TZ1.1c.ii
(c.ii)

The radius of the pulley is 2.5 cm. Calculate the angular speed of rotation of the pulley as the load hits the floor. State your answer to an appropriate number of significant figures.

[2]

Markscheme

use of ω=vr to give 84 «rad s−1»

OR

ω=2.1/0.025 to give 84 «rad s−1» ✓

 

quoted to 2sf only✓

 

Examiners report

This SL only question was generally well done. Despite some power of 10 errors, many candidates correctly reported final answer to 2 sf.

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