Two ice skaters approach each other at right angles. Skater A has a mass of 72.3 kg and travels in the +x direction at 2.58 m/s. Skater B has a mass of 60.5 kg and is moving in the +y direction at 0.794 m/s. They collide and cling together. Find the final speed of the couple. Answer in units of m/s.
