Lecture 1 - Racquetball Striking a Wall Copyright Loren M...

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Physics 140: Winter 2008 Lecture #1 January 3, 2008 Dr. Dave Winn Racquetball Striking a Wall Copyright: Loren M. Winters Mt. Etna Andrew Davidhazy
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Qwizdom Please log in to the Qwizdom system: To change your response during a presentation, press “C,” then send. You can now change your answer if the polling is still open. 1) To turn on the Qwizdom response unit press Menu for 2 seconds. 2) Toggle through the options with the arrow keys until you reach “Session ID”. 3) Press send (back and forth arrows), wait until the unit asks you if you want to change, press “yes”. 4) Then type in the current session ID # (170) and press send. 5) After the “session ID”, following similar steps you enter your “User ID”. Your User ID is your 8-digit UMICH ID # found on your MCard. Send Question: Did you know that you can purchase a Qwizdom clicker from the UM computer showcase? Yes/No
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What is physics? In Greek: “natural things” Once all encompassing Now refined core of science: fundamental Ambitious goal: to explain everything with a minimal set of principals Success underlies most of the modern world
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Physics 140 Dipping a toe into an oceanic subject Learn to analyze, explain, and predict the motions of ordinary objects Begin simple and move to more complex, realistic things Kinematics: how things move Dynamics: why things move Momentum and energy: constants of motion Solids and fluids Common collective motions: oscillations and waves Even simple things can be rich and surprising: demos…
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Course Components Reading: You have short reading assignments to be read before each lecture Homework: One online assignment a week, due on Tuesday and Thursday nights at 11:59 PM. Late assignments will be accepted with reduced credit. Lecture: Concepttests with recorded electronic responses Discussion sections: You will have twice weekly discussion sections. During these meetings you will work on new material in groups, drawn from a variety of sources. Exams: There will be three midterms and a final. Multiple choice exams with about half quantitative, half conceptual questions
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Textbook: University Physics 12ed Young & Freedman Need Volume 1, including Mastering Physics for this course Volume 2 will be used for Physics 240 next term
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Course Components Reading: You have short reading assignments to be read before each lecture Homework: One online assignment a week, due on Tuesday nights at 11:59pm.
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