1. The problem statement, all variables and given/known data A 0.140kg baseball traveling 35.0 m/s strikes the catcher's mitt, which in bringing the ball to rest, recoils backward 11.0cm. What is the average force applied by the ball on the glove 2. Relevant equations F=ma; FAB=-FBA 3. The attempt at a solution Not sure where to start for this one Mod Edit: missing velocity value added to problem statement after it was supplied by the OP.