The zygomatic bone in the upper part of the cheek can be fractured by a 900- N force lasting 6.0 ms or longer. A hockey puck can easily exert such a force when hitting an unprotected face. What change in velocity of a 0.17- kg hockey puck is needed to provide that impulsive force? Take the hockey puck to be point-like. Part B- A padded facemask doubles the stopping time. By how much does it change the force on the face?