3 Lab 6 Newton's Laws and Relative Motion.docx

# 4 sprint toward the target as fast as you can and try

• Lab Report
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4. Sprint toward the target as fast as you can and try to drop the ball so that it lands on the target. Measure the distance, along the ground, between where you drop the ball and the center

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of the target. You will probably have to do this more than once to hit the target. 5. Repeat step 4 a few times to provide enough data on the diagram to notice a trend. Record your data in Table 1 below. After taking five successful trials, take the average distance. Trial Student 1 range when running (cm) Student 2 range when running (cm) Student 3 range when running (cm) Student 4 range when running (cm) 1 7.62 cm (3”) 7.78cm 12.7 cm 14.75cm 2 6.35 cm (2.5”) 6.45cm 19.05 cm 12.25cm 3 0 cm (on target) 0 cm 11.43cm 6.60cm 4 2.54 cm (1”) 2.78 8.89 cm 5.30cm 5 5.08 cm (2”) 5.15 cm 10.16 cm 4.50cm Average 14.986 cm 14.820 cm 12.45 cm 8.68cm Table 1: Distance between release and target when running. 6. Use the information in Step 5 to predict what would happen if you ran at a slower speed (jogging), and what would happen at a walking speed. How would the distance from the target at which the ball was dropped change, and why? I predict that if I was going at a slower speed, I would have more accuracy on the ball hitting the target as I would be able to drop the ball directly on to the target as supposed to when I’m doing it while running (accelerating) while trying to drop the ball on target. 7. Repeat steps 4 – 5 for the slower speeds. Record your results below. Trial Student 1 range when jogging (cm) Student 2 range when jogging (cm) Student 3 range when jogging (cm) Student 4 range when jogging (cm) 1 1.27 cm (.5”) 1.45cm 10.16 cm 9.20cm 2 2.54 cm (1”) 2.85cm 5.08 cm 4.70cm 3 0 cm(on target) 0cm 6.35 cm 2.55cm 4 0 cm(on target) 0cm 5.33 cm 2.25cm 5 1.27 cm (.5”) 1.57cm 5.08 cm 1.10cm Average 1.016 cm 1.193cm 6.4 cm 3.96cm Table 2: Distance between release and target when jogging. Trial Student 1 range when walking (cm) Student 2 range when walking (cm) Student 3 range when walking (cm) Student 4 range when walking (cm) 1 2.54 cm (1”) 2.91cm 5.58 cm 2.65cm 2 1.27 cm (.5”) 1.46cm 5.84 cm 1.25cm 3 0 cm(on target) 0cm 3.81 cm 1.80cm 4 0 cm(on target) 0cm 3.81 cm 0cm 5 0 cm(on target) 0cm 2.79 cm .65cm Average 0.762 cm 1.123cm 4.36 cm 0cm Table 3: Distance between release and target when walking. 8. How did the average range from drop to target change as your speed went down?
The average of the drop to target changed a lot as we moved slower over the target. I think the challenging part of this experiment was controlling the speed of each of the “movements” to get a more accurate result. Even my “walking” pace was not consistent as I was more focused on hitting the target.

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• Winter '19
• Bruce Palmquist

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