A body performs SHM according to

PHYSICS · Single correct · CBSE · Physics · Oscillations · Oscillations

Problem

x(t)=0.05\cos(8\pi t+\pi/3)

, where

x

is in metres and

t

in seconds. The displacement of the body at

t=0.25\,\text{s}

is (a)

+0.050\,\text{m}

(b)

-0.025\,\text{m}

(c)

+0.025\,\text{m}

(d)

+0.043\,\text{m}