A 5oz baseball is 3 ft above te ground when it is stuck by a bat . The horizontal distance to the point where the ball strikes the ground is 180ft . The ball was moving approximately horizontally at 100ft/s before it was stuck , the duration of impact was 0.015 s and the ball was traveling 30 degrees above the horizontal after it was stuck . What was the magnitude of the average impulsive force exerted on the ball by bat ?