Particle of mass moves in a circle of radius with speed

PHYSICS · Subjective · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

Particle

P

of mass

0.2\,\text{kg}

moves in a circle of radius

0.5\,\text{m}

with speed

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

. Particle

Q

, also of mass

0.2\,\text{kg}

, moves in a circle of radius

1.0\,\text{m}

with speed

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

. Calculate the ratio

\dfrac{a_{c,Q}}{a_{c,P}}

of their centripetal accelerations.