Physics

Problem

A cyclist travels around a circular track of radius

25\,\text{m}

at a speed of

18\,\text{km h}^{-1}

. Express the required centripetal acceleration as a fraction of

g

(

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

). a)

0.40\,g

0.20\,g

0.10\,g

0.05\,g