Lecture06Notes

Lecture06Notes - Physics 121. Thursday, February 7, 2008....

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1 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Thursday, February 7, 2008. Carry-on Luggage. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Thursday, February 7, 2008. Topics: Course announcements Quiz Newton’s Law of Motion: Review of Newton’s First, Second, and Third Law of Motion Problem Solving Strategies Friction: Static and Kinetic Friction Rounding a Curve Terminal Velocity Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Course announcements. Homework set # 2 due on Saturday morning, February 9, at 8.30 am. Homework set # 3 will be available on the WEB on Saturday morning, February 9, at 8.30 am and will be due next week on Saturday morning, February 16, at 8.30 am. As part of homework set # 3 you will be asked to download and install loggerPro from the Physics 121 website and install it on your computer. The software runs on both Windows and Mac OSX. We will be using this tool to start carrying out video analysis on homework set # 4.
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2 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Course announcements. In order to access the restricted areas of the Physics 121 website (containing solutions to homework assignments and exams) you will need the use the username and password combinations distributed via email on Wednesday. This same combination will give you access to the installers of the loggerPro software. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester WeBWork set # 3. All about friction. Similar to problem 4 on set # 2, but now with friction. Make sure you determine the normal force correctly! The normal force in this problem is directed horizontally. Determine the net acceleration of the blocks in order to determine their contact force. Motion with variable acceleration! Make sure you deter- Mine the correct Directions of the friction and normal forces. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Quiz Lecture 5. The quiz today will have 3 questions.
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3 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester A quick review: Newton’s first law of motion. First Law:
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Lecture06Notes - Physics 121. Thursday, February 7, 2008....

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