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# Lab 3 - It has a positive slope which means a positive...

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Physics 310 Experiment 3 Acceleration: Changing Motion DATA SHEET Name: Bill Zacharias Date: 3/14/2010 1. Paste your graphs from Item 1 of the procedure here. Lab 3 ex1.ds 2. What is the average velocity that you found in Item 1? .58 m/s 3. What is the average acceleration that you found in Item 1? -.3 m/s^2 4. Paste your graphs from Item 2 of the procedure here. Lab 3 ex2.ds 5. What is the major difference between the velocity data in Items 1 and 2? The difference is that the velocity in Item 1 is positive and Item 2 is negative. 6. Paste your graphs from Item 3 of the procedure here. lab 3 ex3.ds 7. What were the average accelerations that you found from the straight line fits to the velocities? They were the same in both instances and they were .5 m/s^2. 8. What feature of your velocity graphs signifies that the motion of the cart is away from the sensor? The velocity value is positive the entire time, which means motion is away from the cart. 9. What feature of your velocity graphs signifies that the cart is speeding up?

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Unformatted text preview: It has a positive slope, which means a positive acceleration. 10.Paste your graphs from Item 4 of the procedure here. Lab 3 ex4.ds 11.Is there a significant change in the velocity-time graph at the instant of closest approach? At the instant of closest approach the change is more gradual than significant. Phys310 Lab Page 1 Experiment 3 Physics 204 Experiment 3 continued 12.Make a straight-line fit of the velocity-time graph. 13. How does the average acceleration (slope) compare to the acceleration found in the previous item? The average acceleration is about half of the previous item. 14.Paste your graphs from Item 5 of the procedure here. Lab 3 ex5.ds 15.Fill in the table below. Position Velocity Acceleration when speeding up Acceleration when slowing down Cart moving away from sensor .5 m to 1.5 m .8 m/s .2 m/s^2 Cart moving towards sensor 1.2 m to .4 m-.72 m/s .6m/s^2 Phys310 Lab Page 2 Experiment 3...
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Lab 3 - It has a positive slope which means a positive...

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