A wave on a string is described by

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

A wave on a string is described by

y = 0.02\,\sin\,(5x - 200t)

, where

x

and

y

are in metres and

t

in seconds. Find the instantaneous particle velocity at

x = 0.50\,\text{m}

and

t = 0.010\,\text{s}

. (a)

-1.8\,\text{m s}^{-1}

(b)

+3.5\,\text{m s}^{-1}

(c)

-3.5\,\text{m s}^{-1}

(d)

-4.0\,\text{m s}^{-1}

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