Physics

Problem

A car travels at a constant speed of

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

around a circular track of radius

50\,\text{m}

. Calculate the magnitude of its centripetal acceleration. a)

16\,\text{m}\,\text{s}^{-2}

8\,\text{m}\,\text{s}^{-2}

0.4\,\text{m}\,\text{s}^{-2}

9.8\,\text{m}\,\text{s}^{-2}