MI =50x10 KG 150 x 1 6 2x 400)/ 3=V2 VI= 400 = 6. 67 m/S 9 . A person (mass 67 kg) is sitting in a stationary raft. If she jumps out of the raft (mass 325 kg) with a velocity of 3.75 m/s, what is the final velocity of the raft? 10. A 1250