A point P lies on the axis of a fixed ring of mass M and radius a, at a distance a from its centre C.A small particle starts from P and reaches C under gravitational attraction only. Its speed at C will be A point P lies on the axis of a fixed ring of mass M and radius a at a distance a from its centre C.A small particle starts from P and reaches C under gravitational attraction only. Its speed at C will be September 14, 2020 Category: Cengage NEET by C.P Singh , Chapter 12 - Gravitation , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related