Question

A CD starts from rest and accelerates to an angular frequency of 3.5 rev/s. Calculate

the disc s average period T and centripetal velocity at the edge of the disc when

radius is 2. 0 x 10^-2m. 

Answer 1

$T=\frac 1\nu=0.29~s,$

$v=\omega r=2\pi \nu r=0.44~\frac ms.$