Identify the correct expression for the magnitude of centripetal acceleration of a…

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

Identify the correct expression for the magnitude of centripetal acceleration

a_c

of a body moving with linear speed

v

in a circle of radius

r

. (a)

a_c = \dfrac{2v^{2}}{r}

(b)

a_c = \dfrac{v^{2}}{r}

(c)

a_c = \dfrac{v^{2}}{2r}

(d)

a_c = \dfrac{4v^{2}}{r}