Kaitlin Uses a Bat to Hit a Thrown Baseball

question 8

Multiple Choice

Kaitlin uses a bat to hit a thrown baseball. She knocks the ball back in the direction from which it came in an inelastic collision. The bat, which is heavier than the baseball, continues to move in the same direction after the hit as Kaitlin "follows through." Is the ball moving faster before or after it was hit?

• A) The ball was moving faster before it was hit.
• B) The ball was moving faster after it was hit.
• C) The ball was moving at essentially the same speed before and after the hit.
• D) There is insufficient information to answer this problem.

---

Definitions:

Cigarette Smoking

The act of inhaling and exhaling the smoke of burning tobacco, which is associated with a wide range of health risks including cancer and cardiovascular disease.

Herpes Simplex Virus I

A virus causing contagious sores, most often around the mouth or on the genitals, known as oral herpes.

Deciduous Teeth

the first set of teeth in the development of humans and other mammals, often referred to as baby or milk teeth, which are eventually replaced by permanent teeth.

Toddler

A young child, typically between the ages of 1 and 3 years, who is starting to walk and develop more complex motor skills.