two objects of masses 1 kg and 3 kg are held stationary on a frictionless surface with a compressed massless spring between them. when the blocks are released, the 1 kg object moves to the left with velocity 9 m/s. what is the velocity with which the 3kg object moves to the right.

Which lists correctly orders nuclear reactions from most radioactive waste generated to least waste generated within a given period of time? o a. radioactive decay, nuclear fission, nuclear fusion o b. radioactive decay, nuclear fusion, nuclear fission o c. nuclear fusion, nuclear fission, radioactive decay o d. nuclear fission, nuclear fusion, radioactive decay