PhysicsLAB MCAS Physics Exams
MCAS 2017 Session 1

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Open-Response Questions
  • BE SURE TO ANSWER AND LABEL ALL PARTS OF THE QUESTION.
  • Show all your work (diagrams, tables, or computations) in your Student Answer Booklet.
  • If you do the work in your head, explain in writing how you did the work.
 
 
Refer to the following information for the next two questions.

a. Identify each of the numbered components of the electric circuit and describe its function.
 
 

b. The current in the circuit is 0.5 A. Describe two changes to the circuit that would decrease the current in the circuit.
 
 

Refer to the following information for the next four questions.

a. Identify the tool used to measure the average molecular kinetic energy of the sample.
 
 

b. During which two phase changes does the sample absorb energy?
 
 

c. Describe the direction of heat flow between the sample and the air in the container as the sample condenses.
 
 

d. Does the sample ever release thermal energy without changing temperature? Explain your answer.
 
 




 
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