s2005exam2 - Physics 140. Hour Exam II March15, 2005 Please...

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Physics 140. Hour Exam II March15, 2005 Please do not open this exam book until you are told to do so. You will need 1. A #2 pencil 2. One scantron answer sheet 3. One exam question booklet On the scantron answer sheet: 1. Use a #2 pencil . Do not use a mechanical pencil or pen. Darken each circle completely, but stay within the boundary. If you decide to change an answer, erase vigorously: The scanner sometimes registers incompletely erased marks as intended answers, and this can adversely affect your grade. Light marks or marks extending outside the circle may be read improperly by the scanner. Be especially careful that your mark covers the center of its circle. 2. This Exam Booklet is Version A . Mark the A circle in the TEST FORM box near the middle of your answer sheet. DO THIS NOW! WE WILL ASSESS A 1 POINT (RAW SCORE) PENALTY FOR FAILURE TO DO THIS . 3. Print YOUR LAST NAME in the designated spaces at the left side of the answer sheet, then mark the corresponding circle below each letter. Do the same for your FIRST NAME INITIAL . 4. Print your NETWORK ID in the designated spaces at the right side of the answer sheet, starting in the left most column, then mark the corresponding circle below each character. If there is a letter "o" in your NetID, be sure to mark the "o" circle, and not the circle for the digit zero. If and only if there is a hyphen "-" in your NetID, mark the hyphen circle at the bottom of the column. When you have finished marking the circles corresponding to your NetID, check particularly that you have not marked two circles in any one of the columns. 5. Do not write in or mark the circles in any of the other boxes (STUDENT NUMBER, DATE, SECTION, SCORES, SPECIAL CODE). 6. Sign your name (DO NOT PRINT) in the space provided. 7. Mark only one answer per question . 8. When told to do so: Check to make sure that the test booklet is complete. There are twelve numbered pages, including this cover sheet. Academic Integrity— Giving assistance to or receiving assistance from another student or using unauthorized materials during a University Examination can be grounds for disciplinary action, up to and including dismissal from the University Page 1 of 12 pages (45 Problems)
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Physics 140. Hour Exam II March15, 2005 1. A two kilogram hanging plant is being held up by a spring. The spring is stretched 10 centimeters from its equilibrium length. If you now add one kilogram of water to the plant’s pot, how far will the spring be stretched from its equilibrium length? a. 10 centimeters b. 15 centimeters c. 20 centimeters d. 25 centimeters 2. When you jump on a trampoline, you stretch an elastic surface up and down. You and the trampoline have a combined total potential energy that changes as you bounce. The point at which your combined total potential energy is lowest is when you are located a. at the lowest point in your bounce, when you have dropped as low and deep into the trampoline’s surface as possible. b.
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s2005exam2 - Physics 140. Hour Exam II March15, 2005 Please...

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