PhysicsLAB MCAS Physics Exams
MCAS 2011 Session 2

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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 three questions.

a.  Describe the motions of the sound waves and the water waves. 

b.  Draw a diagram for each of the waves you described in part (a). Be sure to label each diagram. 

c.  Describe how the wavelength is measured for the water waves. 

Refer to the following information for the next four questions.

a.  Determine the distance traveled by the car on this trip to the store. Show your calculations and include units in your answer. 

b.  Calculate the average speed of the car on this trip. Show your calculations and include units in your answer. 

c.  Determine the displacement of the car for this trip. Include units in your answer. 

d.  Calculate the average velocity of the car upon arrival at the store. Show your calculations and include units in your answer. 

Refer to the following information for the next three questions.

a.  Is energy absorbed or released by the cold lemonade? Explain your answer. 

b.  Compare average kinetic energy for the air molecules and lemonade molecules when the student first places the lemonade outdoors. Explain your answer. 

c.  Explain how and why the water droplets form on the outside of the glass. 




 
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