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Phys1111L StudyGuide

Phys1111L StudyGuide - Format There will be questions for...

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Format: There will be questions for all of the experiments and the questions may consist of multiple parts. You are required to answer 8 out of 10 in 1111L/1211L, and 8 out of 9 in 1112L/1212L. You may answer the questions for all of the experiments if you wish, even if you did not attend all of them, but only the best eight point totals will be counted. There may be all types of questions: short answer, multiple choice, calculations and graphing. A formula sheet will be provided. Content: As in a regular physics exam, you will have to know which formula to apply to which situation. You should know the purpose and main concepts of each experiment. Also, there may be "procedural" questions. We asked you to use the equipment in certain ways to make the results more accurate--so questions like, "What was the purpose of doing thi s in the experiment?" are fair game. If you did what was required all semester: read the experiments before doing them; listened to the introductory material; did your own calculations and thought about and answered the questions in your own words, you should do well.
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Fir s t lab: Know significant digits, how to read a ruler and caliper. For example: State the number of significant figures in each: 3.1415926 2.20 0.34 5.600 4.121 x 10 -3 Calculate the following to the correct number of significant figures: ( 1.22 ÷ 0.21 ) x 2.21 12.3 x 10 3 ÷ 0.21 x 10 -2 More info on significant figures can be found here: http://lmgtfy.com/?q=significant+figures You may be given a drawing of a ruler or Vernier caliper and asked to determine its reading. If you still need help with how to read one, check out the following: http://lmgtfy.com/?q=how+to+read+a+vernier+caliper You should know how to make a plot given some data. Be able to draw a best-fit line, and be able to find its slope. This is how the graphs will be graded: 1. Axes labeled with units. 2. Convenient scale picked which makes the data easier to plot. 3. Most of the graphing area is used; don t fit the entire graph into a small corner of the sheet. 4. Data are plotted are correct locations and none are plotted in the margins. 5. Best-fit line draw correctly no connecting the dots . Best-fit line should be straight; drawn with a ruler. Slope: 6. Points used to calculate slope are NOT data points, but rather two new points on the best-fit line. 7. Slope points are indicated on the best-fit line (typically by a circled x ). 8. Show slope calculation. 9. Slope value has correct units. Motion with Con s tant A cce l e ration: You may be given an equation something like this: y =0.534 + 0.115 x + 0.704 x 2 and asked about the value of acceleration, velocity, etc... You'll be asked what angle the track is tilted at. And you'll be asked to find the value of g from this. If you are given a plot of the motion (distance vs. time), you should know whether the motion describes acceleration or constant velocity.
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Phys1111L StudyGuide - Format There will be questions for...

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