An asteroid of mass m is approaching earth, initially at a distance 10 RE with speed vi. It hits earth with a speed vf (RE and ME are radius and mass of earth),. Then An asteroid of mass m is approaching earth initially at a distance 10 RE with speed vi. It hits earth with a speed vf (RE and ME are radius and mass of earth) then September 15, 2020 Category: Cengage NEET by C.P Singh , Chapter 12 - Gravitation , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related