1. A 500kg ball is traveling west at 20m/s when it struck horizontally by a baseball bat causing it to travel east at 50m/s. If the bat was in contact with the ball for 20millisecond, what average force did the bat exerted from the ball? A. 1,750N B. 1,050N C. 2,200N 1.2 Calculate the impulse exerted on the ball. A. 21 N s B. 35 N s C. 15 N s 1.3 What is the change in motion of the ball? A. 35kg m/s B. 15kg m/s C. 21kg m/s