Practice Quiz

MCAS Physics Exam Practice

Category - Introductory Physics

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A student swings a bat horizontally, making contact with a ball thrown to her. The ball leaves the bat, and the bat continues moving through the rest ofthe swing. Which of the following statements describes the change in energy ecessary to do work on the ball?
  1. All the kinetic energy of the bat is converted to work.
  2. All the potential energy of the bat is converted to work.
  3. Some of the kinetic energy of the bat is converted to work.
  4. Some of the potential energy of the bat is converted to work.
Explanation
Answer: C - Some of the kinetic energy of the bat is converted to work.
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