1. A skater with a mass of 81 kg is traveling east at 6.4 m/s when he collides with another skater of mass 45 kg heading 60° south of west at 13 m/s. If they stay tangled together, what is their final velocity, and direction in degrees (south of east) 2. Vix = M1V1/M1+M2 and Viy = M2V2/M1+M2 3. for Vix = 4.11 and Viy = 4.64. I'm not sure what the next step is. please help.