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Date	November 2010	Marks available	1	Reference code	10N.1.SL.TZ0.12
Level	Standard level	Paper	Paper 1	Time zone	Time zone 0
Command term		Question number	12	Adapted from	N/A

Question

An object at the end of a spring oscillates vertically with simple harmonic motion. The graph shows the variation with time $t$ of the displacement $x$ . The amplitude is ${x_0}$ and the period of oscillation is $T$ .

N10/4/PHYSI/SPM/ENG/TZ0/12+13

Which of the following is the correct expression for the displacement $x$ ?

A. $- {x_0}\cos \frac{{2\pi }}{T}t$

B. ${x_0}\cos \frac{{2\pi }}{T}t$

C. $- {x_0}\sin \frac{{2\pi }}{T}t$

D. ${x_0}\sin \frac{{2\pi }}{T}t$

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Additional higher level (AHL) » Topic 9: Wave phenomena » 9.1 – Simple harmonic motion

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