A particle executes SHM described by

PHYSICS · Subjective · CBSE · Physics · Oscillations · Oscillations

Problem

x(t)=A\cos(\omega t+\phi)

. At

t=0

it passes through the equilibrium position with speed

1.0\,\text{m s}^{-1}

. Given

\omega = 5.0\,\text{rad s}^{-1}

, find: (i) the amplitude

A

, (ii) the phase constant

\phi

(smallest positive value, in rad).