Physics

Problem

The angular position of a rotating platform is given by

\theta=4t^{3}-2t

(in radians), where

t

is in seconds. Determine the magnitude of the tangential component of acceleration of a point

0.20\,\text{m}

from the axis at

t=2.0\,\text{s}

. a)

4.8\,\text{m/s}^{2}

48\,\text{m/s}^{2}

9.6\,\text{m/s}^{2}

96\,\text{m/s}^{2}