1. The problem statement, all variables and given/known data 2 birds of same mass swoop down on a mouse at an angle of 60 deg from horizontal with speed 30 m/s. They collide and stick together, what is their resultant speed? 2. Relevant equations Conservation of momentum. 3. The attempt at a solution This was just on a test I took and I got 26 m/s but I'm thinking it should be just 30 m/s down? Or is some velocity lost during the collision?