Practice Quiz

AP Physics B Practice Exam

Category - Introductory Physics

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A student touches a metal sink with her finger and notices that her finger feels cold. Which of the following statements explains this observation?
  1. Heat energy flows from the student’s finger to the metal sink.
  2. Heat energy flows from the metal sink to the student’s finger.
  3. The student’s finger was originally at the same temperature as the sink.
  4. The student’s finger was originally at a lower temperature than the sink.
Explanation
Answer: A - Heat energy flows from the student’s finger to the metal sink.
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