Centripetal acceleration is defined as
[tex]a_c = \frac{v^2}{R}[/tex]
here we know that
[tex]v = 20 m/s[/tex]
also we know that
[tex]R = 15 m[/tex]
now from above equation we will have
[tex]a_c = \frac{20^2}{15}[/tex]
[tex]a_c = 26.67 m/s^2[/tex]
so its centripetal acceleration will be 26.67 m/s^2
