A horizontal spring–mass system oscillates according to

PHYSICS · Subjective · CBSE · Physics · Oscillations · Oscillations

Problem

x=A\cos(2\pi f t)

, where

x

is measured from equilibrium. The amplitude is

0.12\,\text{m}

and the frequency is

2.5\,\text{Hz}

. If

t=0

corresponds to the mass at its maximum positive displacement, calculate the displacement of the mass at

t=0.10\,\text{s}