Two skaters collide and grab on to each other on frictionless ice. One of them, of mass 72.0 kg, is moving to the right at 4.00 m/s, while the other, of mass 63.0 kg, is moving to the left at 2.50 m/s. Part A What is the magnitude of the velocity of these skaters just after they collide? Express your answer with the appropriate units. v = Value Units Submit Request Answer Part B What is the direction of this velocity? to the left to the right