A small sphere is suspended from a fixed point P by a string of negligible mass, as shown in Fig. 4.1. The sphere is given a small horizontal displacement and is then released. The variation with time of the horizontal velocity $$$v$$$ of the sphere is shown in Fig. 4.2. equilibrium position. (ii) The time interval between $$$t_{1}$$$ and $$$t_{6}$$$ is 2.2 s .

Physics

IGCSE&ALevel

CAIE

Exam No：9702_s25_qp_44 Year：2025 Question No：4(b)

Answer:

Knowledge points:

17.1.1 describe simple examples of free oscillations

17.1.2 investigate the motion of an oscillator using experimental and graphical methods

17.1.3 understand and use the terms amplitude, period, frequency, angular frequency and phase difference and express the period in terms of both frequency and angular frequency

17.1.4 recognise and use the equation as the defining equation of simple harmonic motion

17.1.5 recall and use x = x0sin as a solution to the equation

17.1.6 recognise and use the equations v = v0 cos

17.1.7 describe, with graphical illustrations, the changes in displacement, velocity and acceleration during simple harmonic motion

Answer:

Knowledge points:

Solution:

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