The displacement of a point on a string is given by

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

y(x,t)=3.0\,\sin\,(0.80\,x-30\,t)\,\text{mm}

, where

x

is in metres and

t

in seconds. For the particle located at

x=0

, determine the earliest time after

t=0

when its velocity becomes zero again.