geniviechavez184 geniviechavez184 21-02-2020 Physics contestada The mass of the asteroid is 9000 kg, and it is approaching Earth at 45 m/s. If the rocket has a mass of 1800 kg, what velocity must it have to completely stop the asteroid after collision? A. - 225 m/s B. 306 m/s c. 45 m/s D. - 116 m/s