1. The problem statement, all variables and given/known data A 0.140-kg baseball traveling 45.0 m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 11.0 cm. What was the average force applied by the ball on the glove? 2. Relevant equations F=ma ? 3. The attempt at a solution It is the whole "backward 11.0 cm" part that confuses me.