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01_MotionA_091 (1)

# 01_MotionA_091 (1) - PHYS207 Syllabus Questions 1 A clicker...

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Motion – Part 1 Page 1 PHYS207 Syllabus Questions 1. A clicker is used for your lecture participation grade (5%). If your clicker is broken or has dead batteries, can you still somehow get credit that day? (a) yes (b) no 2. How many attendance scores (lecture or recitation) can you drop ? 3. Students meet in smaller recitation sections every Wednesday (5%). The room 701WG2305 is located in the Physics Dept. at 701 W. Grace St. at which entrance? (a) Grace St. (b) Laurel St. 4. This course uses an online homework system called LON-CAPA (25%). Have you used LON-CAPA before? (a) yes (b) no 5. How many LON-CAPA homework scores can you drop ?

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Motion – Part 1 Page 2 PHYS207 Syllabus Questions 6. Can you use a calculator on quizzes (15%) or exams (40%)? (a) yes (b) no 7. Can you use a formula sheet on quizzes or exams? (a) yes (b) no 8. How many quizzes can you drop ? 9. Is the laboratory optional for this course (10%)? (a) yes (b) no 10. How many laboratory scores can you drop ? 11. Can you under very special circumstances make-up a homework, quiz, lab, or exam? (a) yes (b) no ANY QUESTIONS ?
Motion – Part 1 Page 3 Motion - Part 1 (one dimension) ( 29 ( 29 2 Tom Tom Fred 1 o, o, 2 a t x v t = + Fred speeds up to right and Tom runs at constant speed to left. When do they meet? Graphical Mathematical Vectorial “Motion Diagram” Pictorial Verbal

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Motion – Part 1 Page 4 Basics : Metric (or SI) System 1 meter = 39.4 inches (~3.3 ft) or 1 inch = 2.54 cm Metric system is a “foreign” language for many people, but we USE “SI” or “le Système Internationale d’Unités” in physics! If you don’t “think” in metric, then you must PRACTICE converting from metric to “common” units EVERY time you see a physics problem.
Motion – Part 1 Page 5 Basics : Velocity in Metric & “Common” Units Notice that a “quick ” conversion between m/s and mph is to simply double the metric velocity. The conversion is more accurate if you add another 10% to your answer. If you are racing on your bike at 10 m/s , what is your speed in mph ? 10 m 3600 s 1 mile × × s 1 hr 1609 22.4 mil m es/hr =

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Motion – Part 1 Page 6 Questions : Speed Conversions [no calculator] Approximately how fast is 30 m/s in mph ? [to nearest integer] Approximately how fast does Dr. Reshchikov run in m/s when he is late to class? [to nearest integer]
Motion – Part 1 Page 7 Average Velocity/Speed & Acceleration An object’s average velocity v equals its net displacement x over a time period t . (Note : Negative velocity is usually left or down.) An object’s speed equals the total distance traveled s over t . (Note : Speed is NEVER negative.) An object’s average acceleration a equals its CHANGE in velocity v over a time period t .

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01_MotionA_091 (1) - PHYS207 Syllabus Questions 1 A clicker...

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