Physics 121

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Engineering Physics (I)
Physics 121
Spring 2010

Midterm Answer Keys
After you have done your best to answer all the midterm questions yourself, I recommend that you print a copy of the print answer key and then watch the video. The videos are very large files - about 20 - 40Mb. It may take a long time to download. You may want to save them to your local drive.
Midterm exam
Answer keys:
Question 1 (print / video)
Question 2 (print / video)
Question 3 (print / video)
Question 4 (print / video)
Question 5 (print / video)
Question 6 (print / video)

Week 8
Center of Mass - Wednesday Worksheet

Knight Second Edition (First Edition) correlations:
Chapter 10 (Chapter 10)
Chapter 11 (Chapter 11)

Workbook questions:
Chapter 9, questions 1, 4, 5, 7-9, 16-19, 21. In 21 the second ball is initially at rest.
(Chapter 9, questions 1, 5, 6, 8, 9b, 10, 18-21, 23. In 23 the second ball is initially at rest.)
Chapter 10, questions 3, 11, 13, 14, 17, 18, 19
(Chapter 10, questions 9, 18, 20, 21, 24, 25, 26)
Chapter 11, questions 1, 4, 6, 9, 11, 12, 14, 16, 19, 20, 26
(Chapter 11, questions 5, 7c, 7e, 7f, 9, 10, 12, 14, 17, 18, 25)

Class notes:
May 17 (video / vodcast)
May 19 A
May 19 B (video / vodcast)
May 20 (video / vodcast)

Week 5
Newton's Third Law - Wednesday Worksheet
Lab 6 prelab
Lab 6

Knight Second Edition (First Edition) correlations:
Chapter 7 (Chapter 8).
Chapter 8 (Chapter 6 section 2. Chapter 7 sections 2 - 6.)
Chapter 9 (Chapter 9)

Workbook questions:
Chapter 7 questions 9-11, 17-19, 25 (Chapter 8 questions 12-13, 15, 21-23, 32).
Chapter 8 questions 2, 4-9 (Chapter 6 questions 6, 8, Chapter 7 questions 7-11).

Class notes:
April 26 (video / vodcast)
April 28 A
April 28 B (video / vodcast)
April 29 (video / vodcast)

Week 4
Free Body Diagrams - Wednesday Worksheet
Lab 5 prelab
Lab 5

Knight Second Edition (First Edition) correlations:
Chapter 5 (Chapter 4).
Chapter 6 (Chapter 5).
Chapter 7 (Chapter 8).

Workbook questions:
Chapter 5 questions 6-7, 11, 14, 17, 20, 23, 24, 27, 29 (Chapter 4 questions 6-7, 11, 14, 17, 20, 23, 24, 27, 29).
Chapter 6 questions 3-7, 13, 18, 19 (Chapter 5 questions 6-10, 16, 25, 26).

Class notes
April 19 (video / vodcast)
April 21 A
April 21 B (video / vodcast)
April 22 (video / vodcast)

Week 2
Vector Decomposition - Wednesday Worksheet
Lab 3
Lab 3 Prelab
Lab Analysis Tips
LoggerPro Help

Knight Second Edition (First Edition) correlations:
Chapter 4 (Chapter 6 sections 1, 3, 4. Chapter 7 sections 1, 2, 6. Chapter 13 section 1.)
Chapter 5 (Chapter 4).
Chapter 6 (Chapter 5).
Remember, the information in parentheses is the first edition equivalent.

Workbook questions:
Answer chapter 2 questions 1 – 19 and 21 – 22 (chapter 2 questions 4 - 24 and 26-27).
Answer chapter 3 questions 1-8 and 10-31 (chapter 3 questions 1-8, 12-20, and 25-37).

Class notes
April 5 (video / vodcast)
April 7 A
April 7 B (video / vodcast)
April 8 (video / vodcast)

Week 1
Lab 2 - I will provide a print copy of this on Monday
Lab 2 prelab
Motion Diagrams - Wednesday Worksheet
Syllabus
Week 1 Handout
Dimensional Analysis Handout - Do your best to understand this. Then bring questions on Thursday.
LoggerPro Graphing Options

Knight Second Edition (First Edition) correlations:
Chapter 1 (Chapter 1)
Chapter 2 (Chapter 2)
Chapter 3 (Chapter 3)

Workbook questions:
Draw complete motion diagrams, including acceleration vectors, for the motions described in chapter 1 questions 14 – 18 (14 – 18).
Answer chapter 1 questions 30 – 33 and 35 – 39 (35 – 41 and Chapter 2 questions 1 – 2).
Remember, the numbers in parentheses ( ) are for the first edition.

Class notes
March 29
March 31 A
March 31 B (video / vodcast)
April 1 (video / vodcast)

Physics for Scientists and Engineers by Randall Knight. You may use either the second edition or the first edition. (see below for details)
MasteringPhysics Student Access Kit (www.masteringphysics.com). It can be purchased with the text or separately. (see below for details)
A scientific calculator (with sine, cosine, and tangent functions). Some graphing calculators are fine. TI-92 or higher may NOT be used during exams and quizzes.
A bound lab notebook. The pages must be bound with thread. I recommend a thread bound composition book. One from previous quarters is fine. Loose leaf, spiral, and perforated notebooks are not acceptable.

The physics faculty at TCC have decided to give you the option of purchasing either the first edition or the second edition of our Engineering Physics text. With planning, this could significantly reduce the amount you spend on the materials required for this class. For example, I have seen a used copy of Physics for Scientists and Engineers, 1^st edition by Randall Knight (ISBN: 978-0-8053-8983-8) for $6. Even after adding in the MasteringPhysics Student Access Kit (ISBN: 978-0-321-51639-8) for $50 and the optional Student Workbook, 1^st edition (ISBN: 978-0-8053-8984-5) (I have seen a used copy for $4) which are included with the new text, you could still save a lot.

What are the textbook options? Any one of these will work for this class. (The ISBNs are for the second edition and the first edition respectively.)

Purchase a new copy of Physics for Scientists and Engineers Volume 1 by Randall Knight with MasteringPhysics (ISBN: 978-0-321-51662-6 or 978-0-8053-8963-0) from the TCC bookstore or another bookstore. This includes the first volume of the text, the first volume of the student workbook, and the MasteringPhysics Student Access Kit. Volume 1 includes all topics for Physics 121 at TCC. Students who take Physics 122 and 123 at TCC will need to purchase Volumes 2, 3, and 4 for these classes.
Purchase a new copy of Physics for Scientists and Engineers by Randall Knight with MasteringPhysics (ISBN: 978-0-321-51661-9 or 978-0-8053-8982-1). This includes the standard edition text, student workbook, and the MasteringPhysics Student Access Kit. The standard edition text includes all topics for Physics 121, 122, and 123 at TCC.
Purchase a new copy of Physics for Scientists and Engineers with Modern Physics by Randall Knight with MasteringPhysics (ISBN: 978-0-321-51333-5 or 978-0-8053-8685-1). This includes the expanded version of the text, the expanded student workbook, and the MasteringPhysics Student Access Kit. This version of the text includes all chapters in the standard edition, plus several additional chapters on modern physics. All topics covered in Physics 121, 122, and 123 at TCC are included in this version as well.
Purchase a new or used copy of Physics for Scientists and Engineers Volume 1 by Randall Knight (text with the workbook volume 1 ISBN: 978-0-321-51667-1 or 978-0-8053-9008-7) (text without the workbook ISBN: 978-0-321-51671-8 or 978-0-8053-8964-7) and purchase a MasteringPhysics Student Access Kit (ISBN: 978-0-321-51639-8). Volume 1 includes all topics for Physics 121 at TCC. Students who take Physics 122 and 123 at TCC will need to purchase Volumes 2, 3, and 4 for these classes.
Purchase a new or used copy of Physics for Scientists and Engineers by Randall Knight (text with workbook ISBN: 978-0-321-51656-5 or 978-0-805-39007-0) (text without workbook ISBN: 978-0-321-51658-9 or 978-0-8053-8983-8) andpurchase a MasteringPhysics Student Access Kit(ISBN: 978-0-321-51639-8).
Purchase a new or used copy of Physics for Scientists and Engineers with Modern Physics by Randall Knight (text with the workbook ISBN: 978-0-321-51659-6 or 978-0-8053-9006-3) (text without the workbook ISBN: 978-0-321-51357-1 or 978-0-8053-8960-9) and purchase a MasteringPhysics Student Access Kit (ISBN: 978-0-321-51639-8).
Purchase a subscription to Physics for Scientists and Engineers, 2nd edition CourseSmart eTextbook by Randall Knight (ISBN: 978-0-321-54265-6) at www.coursesmart.com. I am not sure if the MasteringPhysics Student Access Kit (ISBN: 978-0-321-51639-8) is included with the CourseSmart eTextbook. If it is not included, also purchase a MasteringPhysics Student Access Kit (ISBN: 978-0-321-51639-8).
Purchase a MasteringPhysics Student Access Kit(ISBN: 978-0-321-51639-8) and purchase a subscription to Physics for Scientists and Engineers, 2nd edition eBook through the MasteringPhysics website (www.masteringphysics.com).

Notes:

The MasteringPhysics Student Access Kit cannot be shared or transferred to a new user. Access expires after a period of time. Contact MasteringPhysics at www.masteringphysics.com for details on their terms of use.
The Student Workbook Volume 1 (ISBN: 978-0-321-51626-8 or 978-0-8053-8965-4) or the Student Workbook (ISBN: 978-0-321-51642-8 or 978-0-8053-8984-5) or the Student Workbook with Modern Physics (ISBN: 978-0-321-51357-1 or 978-0-8053-8961-6) is a recommended item for this class. Exercises in the workbook will be assigned, but not collected or graded.
If you purchase the text online, make sure you are purchasing the text and not just the Student Workbook!!! Some online sellers do not list the proper ISBNs. Contact the seller for clarification if you have any doubts. Also make sure the text arrives by the first day of class.
International Editions of the text may also be available. I have not seen these, so I do not know about their content. International Editions are often significantly less expensive.
I have tried to ensure that the ISBNs are correct. However, they are listed only to help you find the various options. Please do not assume they are correct. Also, do not assume that sellers have listed the correct numbers for the items they sell (see note c above).

Because there are students on the waitlist for this class, the No-Show Instructor Withdrawal policy may be invoked:

No-Show Instructor Withdrawal
Students registered in regular quarter-length classes who fail to attend the initial class session and who fail to make arrangements with the instructor for an excused absence may be subject to an instructor withdrawal.
This withdrawal is at the discretion of the faculty and can be completed only if the section of the class has students waiting for an opportunity to add the class. www.tacomacc.edu/upload/files/academics/catalog/2_Catalog_Enrollment.pdf.

This means that if you miss the first day of class and do not contact me in advance, you may be dropped from the class.

Summer Research Opportunities in Washington:
Hooked on Photonics - photonics involves the use of light to control, transmit and manipulate information; University of Washington.
DOE Community College Institute (CCI) of Science and Technology; Pacific Northwest National Laboratory
Science Undergraduate Laboratory Internship (SULI); Pacific Northwest National Laboratory (PNNL). SULI provides 10-16 week summer and semester research internships to undergraduate students in the areas of science, math, engineering, technology, and science policy.
EPiC - List of opportunities across the nation.
US Department of Energy Scholars Program

It was indeed a laborious task for me to discover how such effects could be accomplished in nature. Yet I finally found something that served me admirably. In a way it is almost unbelievable. I mean that it is astonishing and incredible to us, but not to Nature; for she performs with utmost ease and simplicity things which are even infinitely puzzling to our minds, and what is very difficult for us to comprehend is quite easy for her to perform.
The Two Chief World Systems - Galileo

Last Update:		June 07, 2010
Author:		Philip Hunter
Email:		phunter@tacomacc.edu

Engineering Physics (I) Physics 121 Spring 2010

Engineering Physics (I)
Physics 121
Spring 2010