PHYSICS 117 - FALL 2008 - COURSE ANNOUNCEMENTS

 

Various (dated) Course Announcements for Fall 2008 are posted here, the latest at the top (including postings of HW solutions and links to the solutions themselves). This is the best place on the website to check for recent course developments.
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12/22/08: Click CsScHISTO-F08 to see the distribution of the class' Course Score,
CsSc = 0.55*NTS +0.30*NLS +0.10*NHS +0.05*NPS
. The average of the Course Scores is 70.5 and the Standard Deviation is +- 13.0, and the (hypothetical) maximum possible Course Score is Cs =128.7.
Also click NmlzdCsScHISTO-F08to see a histogram distribution of the class' Normalized Course Scores, NCsSc = 70 + (CsSc -70.5)*(20/13.0), and the ranges of this score which correspond to the various course letter grades: 103.9>A+>97.8; 96.9>A>86.5; 84.6>A->79.1; 76.6>B+>75.2; 74.0>B>73.5; 72.5>B->72.5; 64.7>C+>60.1; 57.8>C>49.9; 48.2>C->39.0; 10.0>D>0.0. The (hypothetical) maximum possible value ofthe Normalized Course Score is NCsSc = 159.3.
The letter grades will be officialy posted to Testudo soon. You can verify there that you have received the correct letter grade.
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12/21/08: All Individual student Course records, including letter grades and final exam scores, have been posted on <elms.umd>' Blackboard/Gradebook today, SUN 12/21/08.

Use your password to review your own record. The record includes your Course letter grade <LG>, your Normalized Course Score, NCsSc, you overall Course Score <CsSc>, computed as described under GRADING POLICY: CsSc = 0.55*NTS +0.30*NLS +0.10*NHS +0.05*NPS. The Normalized Course Score, NCsSc, is the quantity which, when ordered from highest to lowest, determines the letter grades . A Histogram of the CsSc distribution, including the cut-off values of CsSc for the various letter grades, will be posted here soon.

Also given is your Normalized Final Exam Score <NFnl/136.4> {where 136.4 here, and similar numerical denominators for other normalized quantitities, indicates the hypothetical maximum possible normalized score which one would have achieved who answered all 120 final exam questions correctly}, your Raw Final Exam Score <RawFinal/240> = 2x(No. correct). These are the main results of courrent interest. Histograms of the Final Exam Raw Score Distribution and of the Course Score Distribution have been posted. See the announcement of 12/20/08 just below to see them..

Also provided to help you to follow through the process of generating your <Course Score> is your Normalized Test Score <NTS/153.5> ( labelled NTS for "Normalized Test Score" in the CsSc formula above). NTS is computed from your Adjusted Exam Score, <AdjEx/579.9>, which in turn is obtained by dropping your lowest (normalized) one hour-share of test scores from your Total Test Score, which is the sum the three normalized hourly test scores and twice the normalized score of your ( two hour) Final Exam.

In addition, your Normalized Lab Score <NLS/72.9> {computed from the normalization of your adjusted Lab Score, <AdjLab/100>, which in turn is obtained by assigning for Raw Lab scores equal to or greater than 80% of 220 =176, the Max possible value, equal to 100, and scaling Raw Lab scores <176 proportionately}, and your <RawLab> Score(out of 220), are included.

Likewise, your Normalized HW score <NHS/83.6>, your adjusted HW score <AdjHW/100> (adjusted to 80% of the Max, 132, like the Lab scores mentioned above), your Raw HW score <RHW/132>, and your Normalized Participation Score, <NPS>, your Raw Participation Score, <FnlClckrTtl/36>,and your Adjusted Participation Score, <AdjPS> are included. The Participation Scores are handled in the same way as the Lab and HW scores were handled above, i.e. according to the "80% is Enough" principle.

In addition, all of the records previously published on Exams I, II and III and the Early Warning Letter Grades (EWG) presented early in the semester remain available on Blackboard.

Please call me at 301-405-6118 if you need help understanding your record, and leave your telephone number and a good time for me to call you back if I am not here when you call. And please email <griffin@physics.umd.edu> if you have any difficulty getting your Blackboard results.

Have a good holiday!

J. Griffin
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12/20/08A: Click FinalExamF08Solutions to see the solutions to the F08 Physics 117 Final Exam.
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12/17/08: Click FinalExamSeats to see your assigned seat for tomorrow's final exam. (THU 1:30->3:30 PM in Phuysics 1410)
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12/15/07: Regarding the Final Exam: If you are delayed, come late rather than not at all! We can sometimes arranged extra time to keep the playing field level.
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12/12/08B: The clicker Q/A slides have now been updated through today, FRI 12/12/08, the last class day.: Click <In-ClassQ&A> to view them.
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12/12/08A: The final tallies of clicks registered (out of a maximum of 36) has been posted on elms.umd>'s Blackboard/Gradebook. Use your password there to see your score.
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12/9/08C: The material of the last five lectures, {Ch 14, Ch15(Waves, pp304-314 only), Ch16(p330-332 only), Ch 22(pp 469-472 only), Ch 23 and Ch 24(pp 509-511only)}, which was not covered in the hourly exams, will be double weighted in the final exam, comprising about 10/45 = 2/9 = 22% of the questions, rather than its 5/40 = 1/8 = 12.5% share of the semesters 40 lectures. The material covered in the earlier 7/8 of the lectures and in Exams I, II, and III, will constitute the remaining 7/9 of the Final Exam.
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12/9/08B: Click VG3Surprises, VGBlackBody, VGPhotoElectric, VGDeBroglie, VGNBohrAtom, VGPath to QuantumMech to see viewgraphs from this week;'s lectures. (Copies were distributed in class on MON 12/8;
ask for a copy if you missed it then.
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12/9/08A: Click ExIIIF08HISTO to see the distribution of raw scores for last week's Exam III.
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12/8/08E: The individual Raw and Normalized {NExIII = 70+(R-57.8)*(20/12.4)} scores for Exam III are posted at <elms.umd>' s Blackboard/Gradebook. Use your password to see your scores there.
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12/8/08D: Version B of Exam IIIF08 had the same questions as Version A, but shuffled into a different order. Click ExIIIF08-V-B-Solutions to see the correspondence between the Version B questions and those of Version A, the solutions to which were posted earlier at ExamIIIF08Solutions.
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12/8/08C: Click FinalExS08, FinalExS08Solutions, Final ExS08KEY, FinalExF07, FinalExS07Solutions, and/or FinalExF07KEY to see old final exams from Spring 08 and Fall 07.
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12/8/08B: Click Missed1-11LabsFO8 to see the list of students missing labs 1 through 11, according to our records. If you are on the list erroneously, or were omitted from the list erroneously, please correct the record. One cannot complete Physics 117 without doing every lab and handing in every lab report.
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12/8/08A: For corrected (for Problem #13: See 12/5/A note below) solutions for Exam III, click ExamIIIF08Solutions; for the text of Exam III click ExamIIIF08.
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12/5/08B:Clicker Total Count tallies (out of a maximum of 34, including WED 12/3/08), have been posted at <elms.umd>'s Blackboard/GradeBook. Use your password to see them there.
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12/5/08A: Click ExamIIIF08Solutions to see Solutions to today's Physics 117 Exam III. (But note that a glitch occurs in the bottom-of-the page explanation of problem #13; namely, the breath-holding time is taken there erroneously as 3000 s, but is actually only 1000 s. As a result, gamma must be greater than 100 (rather than >33.3) for Superman to make the trip before he has to inhale again. We will post a correction on Monday.)
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12/4/08D: The list of Missed Labs originally offered below was in error. Click MissedF08Labs1-10 to see the list of students' missing labs according to our records. If you are on the list erroneously, or were omitted from the list erroneously, please correct the record, since you cannot finish Physics 117 without doing every lab and handing in every lab report.
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:12/4/08C: Click MissedF08Labs1-10 to see the list of students' missing labs according to our records. If you are on the list erroneously, please ask for a correction, since you cannot finish Physics 1117 without doing every lab and handing in every lab report.
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12/4/08B: Click ExamIIIF08SEATS to see your assigned seating for tomorrow's Exam III.
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12/4/08A:The in-class clicker Q/A slides have now been updated through WED 12/3/08: Click <In-ClassQ&A> to view them.
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12/3/08: Our discussion of waves, illuminating for DeBroglie's justification of the Bohr atom, will, unfortunately be too brief. We shall touch upon pages 298-314 only of Ch 15, omitting Interference and following material, and pick up Standing Waves on strings from Ch 16 (pages 330-332 only). Then Ch 23 is the topic for next week, picking up also from Ch 22 Electomagnetic Waves (pp469-472) and DeBroglie Waves from Ch 24 (pp509-511 only).
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12/2/08C: Pre-Exam III Q/A session: THU 12/4/08, 6:00PM ->??, in Physics 2113 (2nd Floor, South side)
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12/2/08B: Exam III on Friday 12/5/08 will cover Ch 10, 11, 12 (up to p 243 only), and 13.(NOTE: Ch 14, Available Energy, and the 2nd Law of Thermodaynamics, is NOT included in Exam III. Ch 14 and later material will be double weighted in Final Exam.)
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11/30/08: Click 2ndLawof ThermoD to see an index and 5 Viewgraphs on the Second Law of Thermodynamics.
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11/25/08B: Click to see OldExamIIIS08, OldExamIIIS08Solutions, and OldExamIIIS08KEY.
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11/25/08A: The clicker Q/A slides have now been updated through today, MON 11/24/08: Click <In-ClassQ&A> to view them.
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11/21/08D: HW#9 is due MON 11/24; HW#10 due date is postponed until MON 12/1/08, after Holiday.
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11/21/08C: The clicker Q/A slides have now been updated through today, FRI 11/21/08: Click <In-ClassQ&A> to view them.
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11/21/08B:Clicker Total Count tallies (out of a maximum of 28, including today's of FRI11/21), have been posted at <elms.umd>'s Blackboard/GradeBook. Use your password to see them there.
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11/21/08A: Click Ideal (or "Perfect") GasLaw to see a detailed discussion of the bases for the Ideal Gas Law, and IdealGasRecap for a brief summary of where the Ideal Gas Law comes from.
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11/19/08C: Click OldExamIIIF07 , OldExamIIIF07Solutions and OldExamIIF07KEY to see the Fall 2007 Exam III, its solutions and its KEY..
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11/19/08B: HW#9 due date postponed again, until MON 11/24/08; HW#10 due WED 11/26, so far.
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11/19/08A: The clicker Q/A slides, 11-14-08A and 11-12-08A, originally delayed for scanning, have now been posted. Click <In-ClassQ&A> to view them.
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11/17/08B: Clicker Total Count tallies (out of a maximum of 26, including today's of MON 11/17), have been posted at <elms.umd>'s Blackboard/GradeBook. Use your password to see them there.
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11/17/08A: HW#9 due date postponed until FRI 11/21.
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11/14/08B: :In-class Q/A slides up to and including FRI 11/14 (except for the first Q/A of 11/12, and the second of 11/14, which will appear her soon) have been posted here.Click <In-ClassQ&A> to view them.
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11/14/08A: Click SpecialRelativity to see one page notes on the key features of Einstein's SDpecial Relativity.
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11/11/08: HW#8(Ch10) due date is postponed until MON 11/17/08; HW#9(Ch11), until WED 11/19, so far. Also, our clicker Q/A of MON 11/10 failed to collect any individual students' data....my apologies for the error.
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11/10/08: Click ExamII-Histogram to see the class' distribution of Raw Scores for Exam II. Also, go to Blackboard
to see your own Raw (RawExamII/ 120), and Normalized (NExII/ 137.2) Scores:N = 70 +(R - 57.5)*(20/18.6). The maximum possible Raw Score is 120, and that score with the present average and standard deviation would have yielded a Normalized Exam II score of 137.2.
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11/09/08B: Click to see one page notes on Time Dilation.
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11/09/08A: Version B of Exam IIF08 had the same questions as Version A, but shuffled into a different order. Click
VersionB-ExamIIF08Solutions to see the correspondence between the Version B questions and those of Version A,
the solutions to which were posted earlier at ExamIIF08Solutions.
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11/07/08: Click ExamIIF08Solutions to see the solutions to today's exam.
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11/04/08: :In-class Q/A slides up to and including MON 11/3 have been posted here.Click <In-ClassQ&A> to view them.
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11/03/08B: Homework#7 (Ch 9) is due now and relevant to Exam II on Friday, but will not be collected until MON 11/10, after Exam II. (We cannot possibly grade and return it befor the exam.) HW#8(Ch10 is due WED 11/12, so far, and HW#(Ch11) is now due MON 11/17.
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11/03/08A: Clicker Totals including today's (out of a Maximum of 20)have be uploaded to <elms.umd>'s Blackboard/Gradebook. Use your password there to check that your total is correct.
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10/31/08A: Click ExponentialGrowth to see 2-page Notes on Exponential Growth.
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10/27/08C::In-class Q/A slides up to and including MON 10/27 have been posted here.Click <In-ClassQ&A> to view them.
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10/27/08B: OldExamIISpring08, iits KEY, OldExIIS08KEY, and its solutions, OldExIIS08Slns, are posted here. Click to view. Use the old exams wisely to gauge your readiness....premature perusal of the solutions can lead to an over-optimistic view of your prowess. (The old Exam II from F07 was posted here on 10/23/08: see below.)
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10/27/08A: HW#7 (Ch.9) due date postponed until MON 11/3/08; HW#8, 'til FRI 11/7/08.
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10/24/08A:In-class Q/A slides up to and including FRI 10/24 have been posted here.Click <In-ClassQ&A> to view them.
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10/23/08B: Old ExamIIFall07, its KEY, OldExIIF07KEY, and its solutions, OldExIIF07Slns, are posted here. Click to view. Use the old exams wisely to gauge your readiness....premature perusal of the solutions can lead to an over-optimistic view of your prowess. (The old Exam II from S08 will also be posted here soon.)
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10/23/08A: In-class Q/A slides up to and including WED 10/22 have been posted here.Click <In-ClassQ&A> to view them.
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10/22/08: Total Click Count (out of 14, Maximum so far) have been posted at <elms.umd>'s Blackboard/Gradebook today. Use your password there to check that your total is correctly accumulating.
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10/21/08: Click MissedLabs1-6F08 to see the list of students' missing labs, according to our records. All missed labs must be made up, one per lab period , during this week's lab makeup periods THU, 10/23, at 12, 2 and 4 PM and FRI, 10/24, at 10AM . All students should check the list, and notify Dr. Griffin to correct any errors.
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10/20/08: Clicker Q/A slides have been updated through today, 10/20/08. Click <In-ClassQ&A> to view them.
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10/17/08C: The click total of each student (out of a maximum of 12), including the clicks of 10/17, have been uploaded to <elms.umd>'s Blackboard/Gradebook. Use your password to cee there that your clicks are being properly recorded. (Note that the clicks of MON 10/13 and of WED 10/15 could not be counted because of my technical error, - sorry about that.)
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10/17/08B: Click MEConservation-NII-forFallingObject to see one-page notes on how the Conservation of Mechanical Energy gives for a falling object the same result as does solving NII, but much easier. Also click MEdecrease-NCWork to see one-page notes on how the work of Non-conservative forces is always exactly equal to the decrease in the Mechanical Energy.
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10/17/08A: Physics 117 is a Lab Course. You MUST do every lab and hand in every lab report to complete the course. A (preliminary, because Lab 6 absences are not yet included) list of students who have missed one or more of Labs 1-5 is posted here. It will be updated to include Lab 6 absences soon. Click Missed Labs1-5F08 to verify that you are not on the liste by error. If there is an error, please settle the question before the Lab Make-ups of 10/23-24/08.
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10/15/08: Our in-class clicker Q/A failed, because I omitted first to import the list of your clicker ID's. As a result none of the clicks could be identified. Furthermore, I find that the same error occurred on MON 10/13, so that those Q/A's also cannot be counted. The maximum possible clicker count is therefore still 10: as posted on 10/10/08. Sorry for the the errors, JJG.
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10/14/08: The first in-class Q/A of MON 10/13, the posting of which was delayed yesterday for technical reasons has been posted here today. Click <In-ClassQ&A> to see all of the in class Q/A's listed by the dates of presentation.
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10/13/08B: In-class clicker Q/A's have been updated through today, except for the first of 10/13/08's 2 queries, which will be posted tomorrow. Click <In-ClassQ&A> to see them listed by date of presentation.
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10/13/08A: Official Early Warning Grades have been entered today. Check your record at Testudo to verify that your grade agrees with your expectation.
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10/10/08C:Use your password at <elms.umd> to see your Total Click Count through today, 10/10/08, out of a maximium of 10.
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10/10/08B: HW#5 due date is postponed from WED 10/14 until FRI 10/17.
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10/10/08A: Click EWGHisto to see the ranges of Exam I Raw Scores which earned various Early Warning Letter Grades. These Early Warning Grades have already been posted to <elms.umd> BlackBoard/Gradebook and will be submitted officially to the Registrar early next week.
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10/08/08B: Use your passwoard to see your Early Warning Grade at <elms.umd>. These Early Warning Grades are based solely upon your score in Exam I.
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10/08/08A: Click Pendulum and/or Kepler's3rd /Geosynchronious to see one-page notes on the Pendulum as a Simple Harmonic Oscillator, and on Kepler's 3rd Law from Newton's Gravity (for circular orbits) and Geosynchronous satellites.
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10/06/08D: Click ExIF08KEY and/or EXIF08Histogram to see the answer key and/ore the histogram of students' Raw Scores for Exam of Friday 10/03/08.
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10/06/08C: HW#4(Ch5) due date is postponed again, until FRI 10/10/08, and HW#5(Ch6) until WED,10/15.
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10/06/08B: Use your password to see your Exam I Raw Score, RExI, out of the Maximum Possible= 120, and your Exam I Normalized Score, NExI out of the Maximum Possible = 132.4. (This latter maximum score is the normalized score which a perfect Raw score of 120 would have earned under this normalization.)
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10/06/08A: Use your password at <elms.umd> to see your Total Click Count through today, 10/6/08 out of a maximium of 8.
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10/3/08: Click ExIF08Solutions to see detailed solutions to today's exam.
10/2/08: Click EXamIF08SEATS to find your assigned seating for Exam I on FRI, 10/3/08.
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10/01/08D: HW#4 due date postponed again, until WED, 10/8/08.
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10/01/08C: Click <In-ClassQ&A> to see in class Clicker Q/A's through WED 10/01/08.
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10/01/08B: Click AccelerationOfMoon to see one page notes on calculation of a/g = 1/(3600) = 1/(60*60).
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10/1/08A: Exam I on Friday is OPEN BOOK: Bring Texts, notes, and a self-powered hand CALCULATOR, but leave behind all laptops, cellphones, balackberries and any other device which can communicate with the outside world. Also, bring a #2 PENCIL to mark the NCS sheet....the scanner CAN NOT read ink marks of any kind. Finally, check the website tomorrow to learn your ASSIGNED EXAM-I SEAT location, or look for a seating list when you arrive for the exam on Friday. Please do not occupy any seat except that assigned to you. And remember: Pre-Exam Q/A Session at 6:00PM on THU 10/2/08 in Physics 2113 (2nd Floor, South Side).
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9/29/08D:Clicker Q/A's through today are available at <In-ClassQ&A>.
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9/29/08C: HW#4 (Ch5) due date postponed: WED 10/1 -> Mon10/6 until after Exam I.
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9/29/08B: Exam I on Friday is OPEN BOOK: Bring texts, notes, old exams.......anything that fits under your seat and is self-powered. But on exam day, please leave at home all cell phones, blackberries, or any other device which communicate with the outside world.
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9/29/08A: Clicker count totals, out of a maximum total of 6 have been posted today on our Blackboard/Gradebook at <elms.umd>.
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9/26/08C: Note that the Center of Mass (pages 143-144) and Simple Harmonic Oscillation (pages 298-300), as discussed in class, are also included in the Exam I coverage.
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9/26/08B: Click OldExI-F07, OldExI-F07KEY, and OldExI-F07Slns to the the full text of Exam I from F07, its KEY and its solutions, respectively. (The first half of the exam was the TRIAL EXAM handed out earlier in class.)
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9/26/08A: Due to today's receiver failure, which prevented our counting any clicks, the weekend clicker tally will be postponed until after Monday, 9/29.
9/25/08D: Exam I is scheduled for FRI 10/3/08. It will cover Ch 1, 2, 3, and 4. The Pre-Exam Q/A session will occur at 6:00 PM in Physics Room 2113 (2nd floor, south side of buliding). Bring your questions there for discussion, and/or consult the TA's during their office hours (posted on PROSPECTUS).
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9/25/08C: Click OldExamIS08, OldExamIS08KEY, and OldExamIS08Slns to see Exam I from Spring 08, its KEY and its Solutions, respectively. Half of Exam I from Fall 2007 has already been distributed as out Trial Exam. The full Exam I from F07 will be posted soon.
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9/25/08B: Click <In-ClassQ&A> to see the list of in-class clicker questions and answers so far.
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9/25/08A: Grading of HW#1 and HW#2. Due to bad communication, HW's #1 and #2 were not graded in the fashion promised in our in class discussions of HW grading. Instead, each TA graded one of these sets with a reasonable scheme which however differed from the other's and from our promised (9+3) Scheme.
{Our 9+3 Scheme proceeds as follows: Out of 10 assigned problems, we grade 1 chosen problem (the same for all students) for 3 points, and count the other 9 problems without grading them in detail. A "good faith effort" at a solution earns the one point for each of these nine problems. Maximum possible score: 12 per HW set. Note that a simple numerical answer is not a "good faith effort" at a solution, nor is a solution which a reasonable person would conclude was simply copied from the posted solutions, or form another student's submitted HW. These earn respectively zero, and half the score( for each of the two simliar papers).}
The scores from the two misguided grading schemes have been recast into our 0-12 scoring range as follows:
For HW #1, originally graded on a score of 0-12, with one point subtracted for each wrong answer, the scores have been adjusted as follows: (9 or less) becomes 9; 10 becomes 10; 11 becomes 11; 12 becomes 12, and handing in the wrong HW set (e.g. from the 6th edition instead of from the website's 5th edition problems) earns 12-3= 9.
For HW#2, originally graded as 10 per problem for a scale of 0-100, any score of 75 or less becomes 9; scores
of 76-84 become 10; and scores of 85-94 becomes11, and scorse 95-100 become 12. In addition, handing solutions to the wrong HW set earned you (as in HW#1): 12 -3 = 9.
The rationale behind these adjustments is that we are willing to assume that all of the problems submitted were in these cases "good faith" attempts, so that 9 becomes the minimum score. Beyond that we use the grade actually given to try to estimate how well you might have done on the one graded problem were the standard 9+3 Scheme to have been used. The purpose is to avoid the chore of having to grade the whole of both HW sets all over again.
If any student feels aggrieved by this process, Dr.Griffin will be happy to hear and consider your complaint.
Also, from now on, the 9+3 Scheme of grading HW will be followed.

9/23/08: Click UNIFORM CIRCULAR MOTION to see one page notes on the topic, handed out inclass on Monday, 9/22/08.
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9/22/08B: Clicker totals (out of 2, maximum so far) were uploaded today to elms.umd/Blackboard/Gradebook. Use your password to see your total there, and verify that it is correct. Please let me know (griffin@physics.umd.edu) about any suspected errors.
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9/19/08: HW#3 due datepostponed: WED 9/24 >FRI 9/26.
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9/18/08: The <ClickerOK?> column of elms/Blackboard/Gradebook has been updated to show students when their clickers first recorded a click. The entry is "Y:9/17": indicates that the clicker first worked on 9/17. Go to <elms.umd> and sign in as instructed for STUDENTS to Physics 117 Gradebook, using your userID and password, to see you own personal data for Physics 117. There you should verify that your <Clicker ID> has been correctly entered and note that the <ClickerOK?> column reflects whether or not, and when, your clicker has every succesfully recorded a click. We plan to start counting clicks toward PARTICIPATION tomorrow, Friday, 9/19.
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9/15/08B: Register your clicker and bring it to class. We hope to end the clicker trial period on Wednesday, and to start counting clicks towards participation on Friday. If you blow off the trial period, subsequent technical problems may damage your clicker count.
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9/15/08A: Click to view one-page notes on FRICTION, posted here today.
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9/11/08: Click Prospectus (and Refresh!) to see the complete schedule of Physics 117 office hours.
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9/8/08: Notetaker(s) needed: If you wish to be a notetaker for a Physics 117 student who needs such assistance, the Office of Disability Support Services would like to know of your interest. If you are interested, email your (Name, Phone Number, and Email address) information to me (J. Griffin), and I will forward it .Click NotetakerSignUp to see the sign-up sheet, and the stipend offered.
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9/6/08: Click Notes-1D Motion to see one page notes on one dimensional motion, which were handed out in class on Friday, 9/5.
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9/2/08: Please note that all Laboratory groups will meet this week at the scheduled times for a brief warm up session.
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8/27/08: We will use "clickers" in Physics 117 this semester, and each student's in-class "clicks" will determine his/her PARTICIPATION score. Click PARTICIPATION for more details. Please obtain a clicker and bring it to class, so that you can use the first few trial questions to verify that your clicker is working properly before the questions begin to count towards your grade.
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8/25/08: Regarding the course textbook: Please note the footnote on the Prospectus page regarding the fact that the 4th, 5th and 6th editions are virtually identical as far as the physics is concerned. We post the HW problems (taken from the 5th edition) on this website so that they are available to all students, whatever text book they have purchased (or borrowed, or inherited).
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8/15/08: The website was uploaded today and should be fully functional. If you notice any quirks or errors, please email a comment to <griffin@physics.umd.edu>. If you want to see how this site, and in particular this Announcements page, worked in the last (Spring 2008) semester, click 117S08.
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