A particle moves in simple harmonic motion with amplitude and angular frequency

PHYSICS · Subjective · CBSE · Physics · Oscillations · Oscillations

Problem

A particle moves in simple harmonic motion with amplitude

4.0\,\text{cm}

and angular frequency

10\,\text{rad s}^{-1}

. At

t=0

, its displacement is

2.0\,\text{cm}

and it is moving in the positive

x

-direction. Determine its velocity at

t=0.20\,\text{s}