Question

The displacement of an elastic wave is given by y - 3 sin wt find the
acceleration​

Answer 1

Given,

displacement (y) =

$3 \sin(wt) \\ = > \frac{dy}{dt} = v = 3w \cos(wt) \\ = > a = \frac{dv}{dt} = - 3 {w}^{2} \sin(wt)$

Regards

kshitij