DP Physics (first assessment 2025)

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Question 21N.2.HL.TZ0.b

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Date November 2021 Marks available [Maximum mark: 2] Reference code 21N.2.HL.TZ0.b
Level HL Paper 2 Time zone TZ0
Command term Show that Question number b Adapted from N/A
b.
[Maximum mark: 2]
21N.2.HL.TZ0.b

A plate performs simple harmonic oscillations with a frequency of 39 Hz and an amplitude of 8.0 cm.

Show that the maximum speed of the oscillating plate is about 20 m s−1.

[2]

Markscheme

use of 2πfA ✓

maximum speed is 2π×39×0.080=19.6 «m s−1» ✓

 

Award [2] for a bald correct answer.

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