When a baseball bat hits the ball, the impulse delivered to the ball is increased by
A) "follow through" on the swing, which increases contact time.
B) rapidly stopping the bat after impact.
C) letting the bat recoil upon impact.
D) The impulse cannot be changed.

Question

Quizplus · Accepted Answer

"Follow through" on the swing increases the contact time between the bat and the ball, which allows for a greater impulse to be delivered to the ball. Rapidly stopping the bat after impact or letting it recoil upon impact would decrease the contact time and therefore decrease the impulse delivered to the ball. The impulse can be changed by altering the contact time, so D is not a valid option.

When a Baseball Bat Hits the Ball, the Impulse Delivered