Event Score = 4

• Place the car back on the ramp exactly where you had marked it before. Hold it in position with a pencil or ruler and release it by lifting upward on the pencil or ruler. Start the stopwatch when you release the car and stop the stopwatch when the car hits the barrier.

• Measure the distance the barrier moved after the impact with the car. (After the collision, measure the distance from the original barrier front position to the center mark facing the ramp.)

• Repeat the procedure one more time and record your results in Table 1.

• Your group now needs to design and perform a study that will demonstrate how changes in the speed of the car affect the results of the collisions between the car and the barrier. You should test at least two other speeds. For each speed, perform two trials. Record your results in Question 1.

  

  1. Record the data that your group collected in the space below. Include a description of the procedures that your group used to perform your study. This description should be clear and complete enough so that someone could easily repeat your study.

     

  2. Discuss any conclusions that you may draw from the data collected. Include in your answer a discussion of whether you believe your results are an accurate reflection of the relationship between the speed of the car and the distance the barrier moved. Be sure to justify your answer.

  

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