Lecture08Notes (absent)

Lecture08Notes (absent) - Physics 121. Thursday, February...

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1 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Thursday, February 14, 2008. Relative velocity at work in Hong Kong. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Tuesday, February 14, 2008. Topics: Course announcements Quiz Gravitation: Review Orbital Motion Kepler’s Laws Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121 Course Announcements Homework set # 4 is now available on the WEB and will be due next week on Saturday morning, February 23, at 8.30 am. Homework set # 4 will have two components: The regular WeBWorK component - 75%. A video analysis component (will be demonstrated in a moment) - 25%. The frst midterm exam in Physics 121 will take place two weeks ±rom now. It will cover the material that has been discussed up to now (chapter 1 - 6) but no error analysis!
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2 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Preview of homework set # 4. Gravitational force. Gravitational force. Gravitational force + principle of super position. Work-energy theorem. Work-energy theorem. Non-conservative forces. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Preview of homework set # 4. On set # 4 you will be asked to carry out our Frst video analysis. You will study the launch of the space shuttle. The main questions are: What is the vertical acceleration of the space shuttle? What is the force generated by the engines? You will need to use loggerPro for this analysis. You can download the software from the Physics 121 website. Let’s demonstrate how to use loggerPro. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Quiz lecture 8. 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. The gravitational force. The magnitude of the gravitational force is given by the following relation: The constant G is the gravitational constant which is equal to 6.67 x 10 -11 N m 2 /kg 2 .
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Lecture08Notes (absent) - Physics 121. Thursday, February...

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