Copy of 5AL Lab 2 Assignment Submission Template - W24

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University of California, Los Angeles *

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5A

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Physics

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Apr 3, 2024

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5±!%"$ !%"$aIFHb 2 ±ssignment [°saiah ²ranados, ±lvin ±u, ³osh ´ailey], [01/23/2024], [²3], [´enJGIch #10] >WRhPK]n UPfXSi]nXSisWRhPKNI CNINIXSi]nVQg your rPKspo]nsPKs o]n PKCLGWRh s[lXSiNIPK, sCvPK tWRhXSis Cs C +±" UPfXSi[lPK C]nNI up[loCNI XSit to your #rCNIPKsLGopPK CssXSiVQg]n\mPK]nt.
413Slide 2: µrom the 7rCLGZkPKr window of your IFHball throw movie (after you have suJGIcJGIcessfully traJGIcked the motion and are satisfied with your results), JGIcopy that image showing the traJGIcked motion IFHby right-JGIcliJGIcking the video window, and paste it here.
413Slide 3: 0-/aste here the plot of y vs. t . ¶id this plot agree with your sketJGIch you suIFHbmitted in your pre-laIFHb? 635Use your plot to estimate the maximum height aJGIchieved from the initial position in the first traJGIcked frame and the time it took to get to that height. 524This plot agrees with the upside down paraIFHbola drawn in the pre-laIFHb. 524The maximum height from the plot is approximately 1.0m. °t took aIFHbout 0.20 seJGIconds to reaJGIch this height.
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413Slide 4: 0-/aste here the plot of v y vs. t . ¶id this plot agree with your sketJGIch you suIFHbmitted in your pre-laIFHb? ·stimate the initial veloJGIcity of the IFHball in the first few frames, and from that value, JGIcalJGIculate how high the IFHball should have gone and the time it would take to that maximum height. ¸ompare your results with slide 3. Yes, this plot agrees with the sketJGIch from our pre-laIFHb. µrom our JGIcalJGIculations, it takes aIFHbout 0.204 seJGIconds to reaJGIch its maximum height at 1.311 meters. )&(ur time is aJGIcJGIcurately estimated, IFHbut the maximum height is off of aIFHbout 0.3 meters.
413Slide 5: 0-/aste here the aJGIcJGIceleration C y vs. t plot from 7rCLGZkPKr . µind the average value of the aJGIcJGIceleration over a region where it is relatively JGIconstant, and also give the standard deviation. ¸ompare your results with the expeJGIcted theoretiJGIcal value for C y . )&(ur average aJGIcJGIceleration was 7.67m/s^2 and the standard deviation was 5.42. !%"$ine of ´est µit: y=-18.612x+3.416
413Slide 6: 0-/erform the ruler drop experiment over 10 different trials, and paste here a taIFHble of your results and those of your laIFHb partners, showing IFHboth the distanJGIces and the JGIcomputed reaJGIction times. µind the average reaJGIction times, and the standard deviations for eaJGIch. Who had the fastest reaJGIctions? 524The average reaJGIction time is 0.15 s and the standard deviation is 0.014s. °saiah had the fastest reaJGIction at 0.13s. Distanc e(cm) Time(se conds 18 0.14 20 0.15 18 0.15 12 0.16 15 0.14 21 0.15 17 0.15 23 0.15 18 0.13 19 0.16
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413Slide 7: Write a thoughtful JGIconJGIclusion on the results of your experiments. 413Summarize your main results. ¶id they agree with what was expeJGIcted theoretiJGIcally? What proIFHblems affeJGIcted the measurements, and how JGIcould the measurements IFHbe JGIcarried out more aJGIcJGIcurately? 524The graphs of position, veloJGIcity, and aJGIcJGIceleration (y) from our results JGIcorreJGIctly matJGIched with our prediJGIctions in the pre laIFHb work. 524The position graph is an JGIconJGIcave down paraIFHbola and the veloJGIcity graph has a negative slope. µor the ruler drop, some inaJGIcJGIcuraJGIcies that may have oJGIcJGIcurred during measurement was the stopwatJGIching. 524To make it more aJGIcJGIcurate, we JGIcould have reJGIcorded the trials and measure eaJGIch drop rather than relying on the stopwatJGIcher’s reaJGIction time.