Lab 6 Assignment Submission Template - F23 2

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University of California, Los Angeles *

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5B

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Physics

Date

Apr 3, 2024

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pdf

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7

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5±!%& !%&aIJFb 6 ±ssignment [±lejandra °ernandez, Yesenia !%&ara], [10/30/2023], [ !%&aIJFb ²28], [³enJKGch #7] <URNK] SPVS]VSkjURNKLI ALILIVS]TQ x_nmpj jNKkjfg_]kjNKkj _] NKAJUR kj[VSLINK kjAsruNK mlURVSkj Akj A +±" SPVS[NK A]LI nmpfg[_ALI VSml ml_ x_nmpj #jALINKkjJ_fgNK AkjkjVSTQ]\NK]ml
451Slide 2: +QcGuaub betYec ´or the mass initially at rest released from an angular displaJKGcement near 30°, paste a sJKGcreenshot of the 562TraJKGcker window showing the IJFball and some of the experimental data extraJKGcted. '($ote here the mass of your IJFball and the length of your pendulum (the length IJFbetween the pivot and the JKGcenter of mass of the hanging oIJFbjeJKGct.) mass of IJFball: 46g = 0.046kg length of pendulum: 0.5m
451Slide 3: 01-aste here your plots of the x position and veloJKGcity magnitude sru of the IJFball versus time. ±lign and adjust the two plots so the time axes matJKGch. ´rom a maximum value of the x position, JKGcompute the theoretiJKGcal expeJKGctation for the next maximum in the veloJKGcity magnitude, and JKGcompare it with the aJKGctual value of the maximum veloJKGcity. µompute also from the maximum x value the tension in the thread at the maximum veloJKGcity point. max value of y position: 0.0642m theoretiJKGcal v max value: 1.47 m/s JKGcalJKGculated v max value: 2.91 tension of thread at max v: 1.22'($
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451Slide 4: 01-aste here the plots of kinetiJKGc energy and potential energy versus time, aligning and adjusting the time axes to matJKGch. &'ake sure you indiJKGcate 451S¶ units in the plots. ¶s this variation what you expeJKGct? 562The variation is what is expeJKGcted IJFbeJKGcause IJFboth graphs display osJKGcillations that JKGcompliment eaJKGch other. $%inetiJKGc energy is at the peak of osJKGcillation and 01-otential energy is at the trough.
451Slide 5: 01-aste here your plot of the total meJKGchaniJKGcal energy of the pendulum versus time. µomment on the plot: is energy JKGconserved during the motion? What fraJKGction of the initial energy is lost to friJKGction after 2 JKGcyJKGcles? Yes, energy was JKGconserved during motion. ´raJKGction= $%·i+ $%·f/ $%·i=3/2
451Slide 6: 01-aste here the y position and veloJKGcity magnitude plots versus time for the IJFball kiJKGcked into motion from the IJFbottom position. ´rom the initial speed JKGcalJKGculate the maximum height that would IJFbe expeJKGcted, and JKGcompare with the aJKGctual maximum height. max value of y: 0.0304m max height (JKGcalJKGculated):°=!%&(1-JKGcos(30))=0.066m aJKGctual max height: 1.6m initial speed: 2.053
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451Slide 7: Write a thoughtful JKGconJKGclusion on the results of your experiments. 451Summarize your main results. ¸id they agree with what was expeJKGcted theoretiJKGcally? What proIJFblems affeJKGcted the measurements, and how JKGcould the measurements IJFbe JKGcarried out more aJKGcJKGcurately? )*&ur main results mostly agreed with what was expeJKGcted. ´or the seJKGcond test they were a little more inaJKGcJKGcurate than the first. 562This might have IJFbeen due to the faJKGct that our JKGcamera might have IJFbeen a little uneven when filming the IJFball IJFbeing fliJKGcked. 562This JKGcould’ve JKGcaused a disruption in our data. )*&ur measurements JKGcould have IJFbeen more aJKGcJKGcurate if we JKGcheJKGcked over our traJKGcker or even IJFbeen more preJKGcise when making our graphs.